| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 227-260 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 11/20/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 227-260 | |||||||
| 227-260-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 11/20/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-260-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 02/13/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-260-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 03/13/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-260-7 | MD | TELNYX LLC | 073H | WSNG238Z15 | NOCLLIKNOWN | 06/12/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-777 | MD | WIDE VOICE, LLC - MD | 530H | ASHTON238 | BLTMMDCHYMD | 07/27/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 227-777 | |||||||
| 227-777-1 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 07/27/2023 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-777-2 | MD | TERRA NOVA TELECOM INC. | 145J | ASHTON238 | NOCLLIKNOWN | 10/17/2023 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-777-3 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 12/15/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-777-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 12/15/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-777-7 | MD | WIDE VOICE, LLC - MD | 530H | ASHTON238 | BLTMMDCHYMD | 07/27/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888 | MD | WIDE VOICE, LLC - MD | 530H | WSNG238Z15 | BLTMMDCHYMD | 09/18/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 227-888 | |||||||
| 227-888-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 03/20/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 06/18/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z15 | NOCLLIKNOWN | 10/21/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z15 | NOCLLIKNOWN | 12/15/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z15 | NOCLLIKNOWN | 12/15/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 10/11/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-7 | MD | HD CARRIER LLC | 321J | WSNG238Z15 | NOCLLIKNOWN | 09/18/2023 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-8 | MD | WIDE VOICE, LLC - MD | 530H | WSNG238Z15 | BLTMMDCHYMD | 09/18/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 227-888-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 09/10/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/06/2008 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-319 | |||||||
| 240-319-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/09/2008 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/03/2008 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/03/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/04/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | LAUREL238 | NOCLLIKNOWN | 03/22/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/03/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/03/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL238 | BLTMMDCDDS0 | 07/26/2010 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | LAUREL238 | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-319-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 10/08/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-324 | |||||||
| 240-324-0 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 10/09/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-1 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 10/09/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-2 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 10/09/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-3 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 07/14/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-4 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 07/14/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-5 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | BLTMMDSNDS6 | 07/14/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ASHTON238 | NOCLLIKNOWN | 02/08/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ASHTON238 | NOCLLIKNOWN | 01/31/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ASHTON238 | NOCLLIKNOWN | 02/21/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-324-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ASHTON238 | NOCLLIKNOWN | 03/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ASHTON238 | BLTMMDSN6MD | 03/09/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-345 | |||||||
| 240-345-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | NOCLLIKNOWN | 01/15/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ASHTON238 | BLTMMDSN6MD | 08/08/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ASHTON238 | NOCLLIKNOWN | 07/17/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ASHTON238 | BLTMMDSN6MD | 08/01/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ASHTON238 | BLTOMDKHDS0 | 11/14/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-5 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | NOCLLIKNOWN | 07/24/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-6 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | NOCLLIKNOWN | 04/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-7 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | NOCLLIKNOWN | 05/29/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ASHTON238 | NOCLLIKNOWN | 05/29/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-345-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ASHTON238 | BLTMMDSN6MD | 07/08/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z14 | BLTMMDCH45Z | 03/31/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-509 | |||||||
| 240-509-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z14 | BLTMMDCH45Z | 05/07/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 04/09/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WSNG238Z14 | BLTOMDKHDS0 | 09/11/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 05/24/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-6 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 11/29/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | WSNG238Z14 | BLTMMDDN2MD | 05/23/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 04/09/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-509-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z14 | BLTMMDCH45Z | 12/03/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | BLTMMD91DS0 | 08/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-512 | |||||||
| 240-512-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WSNG238Z13 | NOCLLIKNOWN | 04/15/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 06/16/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WSNG238Z13 | BLTOMDKHDS0 | 11/09/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WSNG238Z13 | BLTOMDKHDS0 | 09/11/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z13 | NOCLLIKNOWN | 06/18/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z13 | NOCLLIKNOWN | 10/30/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 05/02/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WSNG238Z13 | BLTMMDDN2MD | 05/28/2014 | Prefix Type: CLEC Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-512-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/28/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-517 | |||||||
| 240-517-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/28/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/28/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/28/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/22/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/22/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/22/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 04/27/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 04/27/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 04/27/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-517-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/04/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540 | MD | THE VOICE APPLICATION NETWORK, LLC | 507J | WSNG238Z13 | BLTMMDCHX6X | 10/05/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-540 | |||||||
| 240-540-0 | MD | TELNYX LLC | 073H | WSNG238Z13 | NOCLLIKNOWN | 09/03/2019 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-1 | MD | THE VOICE APPLICATION NETWORK, LLC | 507J | WSNG238Z13 | BLTMMDCHX6X | 10/07/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z13 | NOCLLIKNOWN | 02/17/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 03/31/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 03/31/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 05/12/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 05/12/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-540-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 05/12/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 12/30/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-565 | |||||||
| 240-565-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | LAUREL238 | NOCLLIKNOWN | 08/01/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/24/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/05/2008 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/05/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 05/02/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 03/06/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | LAUREL238 | BLTOMDKHDS0 | 01/17/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 01/04/2006 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 12/19/2006 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-565-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 01/04/2006 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 02/24/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-570 | |||||||
| 240-570-0 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-1 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-2 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-3 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-4 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-5 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-6 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-570-9 | MD | HD CARRIER LLC | 321J | ASHTON238 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 01/14/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-571 | |||||||
| 240-571-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 01/15/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 12/02/2021 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 06/15/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 06/15/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 07/20/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | LAUREL238 | NOCLLIKNOWN | 04/23/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 12/02/2021 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 07/20/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 05/03/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-571-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 05/03/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 03/13/2001 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-593 | |||||||
| 240-593-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 06/17/2003 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 06/17/2003 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 03/29/2004 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-593-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | LAUREL238 | BLTQMD01DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-653 | |||||||
| 240-653-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 07/09/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 09/10/2021 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/09/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | LAUREL238 | BLTQMD01DS0 | 02/17/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | LAUREL238 | BLTQMD01DS0 | 10/19/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/30/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 12/07/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-8 | MD | TELNYX LLC | 073H | LAUREL238 | NOCLLIKNOWN | 09/03/2019 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-653-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | LAUREL238 | NOCLLIKNOWN | 11/04/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | LAUREL238 | BLTMMDSN6MD | 06/08/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-708 | |||||||
| 240-708-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 06/26/2013 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 05/02/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 05/02/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 10/13/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-4 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | LAUREL238 | BLTMMDCHXFX | 09/03/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 10/13/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 09/10/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-7 | MD | PAETEC ITEL, LLC | 829J | LAUREL238 | NOCLLIKNOWN | 11/09/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | LAUREL238 | BLTMMDSN6MD | 11/07/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-708-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 02/26/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/01/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-712 | |||||||
| 240-712-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/16/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/16/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/16/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | LAUREL238 | NOCLLIKNOWN | 08/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 09/11/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-6 | MD | PAETEC ITEL, LLC | 829J | LAUREL238 | CLMAMDJTDS0 | 07/11/2013 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | LAUREL238 | BLTMMDDN2MD | 05/14/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/05/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-712-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/05/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742 | MD | NUSO, LLC | 478J | WSNG238Z14 | BLTMMDCHXKX | 11/20/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-742 | |||||||
| 240-742-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 09/20/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-1 | MD | NUSO, LLC | 478J | WSNG238Z14 | BLTMMDCHXKX | 11/23/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 06/16/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 09/16/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z14 | NOCLLIKNOWN | 02/01/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z14 | NOCLLIKNOWN | 04/24/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-7 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | WSNG238Z14 | NOCLLIKNOWN | 12/11/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-8 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z14 | NOCLLIKNOWN | 02/01/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-742-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 11/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 01/12/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-749 | |||||||
| 240-749-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 01/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 01/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | LAUREL238 | NOCLLIKNOWN | 02/10/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/09/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | LAUREL238 | NOCLLIKNOWN | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-7 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | LAUREL238 | NOCLLIKNOWN | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-749-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/09/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | LAUREL238 | BLTMMDCHXFX | 01/05/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-755 | |||||||
| 240-755-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | LAUREL238 | BLTMMDCHXFX | 01/12/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 07/18/2007 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 10/09/2007 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 12/13/2007 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 03/14/2008 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 03/24/2008 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 05/19/2008 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/19/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | LAUREL238 | NOCLLIKNOWN | 04/01/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-755-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/19/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | BLTMMDCH42Z | 03/25/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 240-759-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z15 | NOCLLIKNOWN | 02/09/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-1 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z15 | NOCLLIKNOWN | 02/09/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | BLTMMDCH42Z | 03/26/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | BLTMMDCH42Z | 05/17/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z15 | NOCLLIKNOWN | 12/20/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | BLTMMDCH42Z | 12/20/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WSNG238Z15 | NOCLLIKNOWN | 10/03/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-7 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z15 | NOCLLIKNOWN | 04/24/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | BLTMMDCH42Z | 07/31/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-759-9 | MD | TON80 COMMUNICATIONS, LLC | 516J | WSNG238Z15 | NOCLLIKNOWN | 10/20/2021 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | BLTMMDCH45Z | 10/01/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 240-763-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | BLTMMDCH45Z | 10/02/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 03/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 03/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 02/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 02/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z15 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-6 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z15 | NOCLLIKNOWN | 05/22/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-763-9 | MD | TELNYX LLC | 073H | WSNG238Z15 | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 03/25/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 240-820-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 02/15/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-1 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 02/15/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 03/26/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 06/15/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 06/15/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-6 | MD | TON80 COMMUNICATIONS, LLC | 516J | ASHTON238 | NOCLLIKNOWN | 09/30/2021 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-7 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 10/22/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-820-8 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ASHTON238 | NOCLLIKNOWN | 04/23/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL238 | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 240-841-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL238 | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL238 | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-7 | MD | PAETEC ITEL, LLC | 829J | LAUREL238 | NOCLLIKNOWN | 06/21/2010 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/19/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-841-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/19/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-842 | |||||||
| 240-842-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z14 | NOCLLIKNOWN | 11/09/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 08/02/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-6 | MD | PAETEC ITEL, LLC | 829J | WSNG238Z14 | CLMAMDJTDSA | 11/09/2016 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-8 | MD | TELNYX LLC | 073H | WSNG238Z14 | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-842-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z13 | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 240-843-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 06/16/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z13 | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-843-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z13 | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 04/11/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 240-856-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 04/11/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/09/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/09/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 04/11/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/09/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 05/13/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/30/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/30/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/19/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-856-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/18/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 07/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-859 | |||||||
| 240-859-0 | MD | TELNYX LLC | 073H | ASHTON238 | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ASHTON238 | NOCLLIKNOWN | 10/19/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ASHTON238 | NOCLLIKNOWN | 05/03/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ASHTON238 | NOCLLIKNOWN | 04/28/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-4 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ASHTON238 | NOCLLIKNOWN | 05/26/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ASHTON238 | NOCLLIKNOWN | 11/10/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 03/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 07/12/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-859-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 07/12/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WSNG238Z14 | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-865 | |||||||
| 240-865-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WSNG238Z14 | NOCLLIKNOWN | 01/22/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-1 | MD | PAETEC ITEL, LLC | 829J | WSNG238Z14 | NOCLLIKNOWN | 12/19/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 03/06/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 08/08/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WSNG238Z14 | BLTMMDSN6MD | 08/01/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-5 | MD | PAETEC ITEL, LLC | 829J | WSNG238Z14 | CHCHMDBE6MD | 02/01/2007 | Prefix Type: IPES Switch Name: MONTGOMERY Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-6 | MD | TERRA NOVA TELECOM INC. | 145J | WSNG238Z14 | NOCLLIKNOWN | 07/07/2023 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-7 | MD | PAETEC ITEL, LLC | 829J | WSNG238Z14 | NOCLLIKNOWN | 09/04/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WSNG238Z14 | BLTOMDKHDS0 | 11/09/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-865-9 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z13 | BLTMMDCH45Z | 11/04/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-881 | |||||||
| 240-881-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z13 | BLTMMDCH45Z | 11/04/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-1 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z13 | NOCLLIKNOWN | 12/21/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z13 | NOCLLIKNOWN | 02/15/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 11/20/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 11/20/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z13 | NOCLLIKNOWN | 02/15/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-7 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z13 | NOCLLIKNOWN | 10/21/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-8 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z13 | NOCLLIKNOWN | 12/21/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-881-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z13 | NOCLLIKNOWN | 08/23/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/23/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-904 | |||||||
| 240-904-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/15/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 01/13/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 01/13/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 05/13/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-904-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/29/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-930 | |||||||
| 240-930-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/29/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/29/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/29/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 08/31/2022 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/07/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | LAUREL238 | NOCLLIKNOWN | 08/08/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/05/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/05/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-930-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH03Z | 09/01/2023 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | LAUREL238 | BLTMMDCH25Z | 05/26/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-972 | |||||||
| 240-972-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/30/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/30/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 03/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 03/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/27/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/27/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | LAUREL238 | NOCLLIKNOWN | 02/22/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 02/17/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | LAUREL238 | NOCLLIKNOWN | 02/17/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-972-9 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | LAUREL238 | BLTMMDCH25Z | 05/27/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-975 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 12/30/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 240-975 | |||||||
| 240-975-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 12/30/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-975-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/31/2025 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-975-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/31/2025 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-975-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/31/2025 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-975-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/31/2025 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 240-975-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | LAUREL238 | NOCLLIKNOWN | 08/23/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | MAYOMDMYRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-205 | |||||||
| 301-205-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | MAYOMDMYRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-1 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-2 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-3 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-4 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 09/17/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-6 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-7 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-8 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-205-9 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-261 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z13 | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-307 | |||||||
| 301-307-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z13 | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 10/08/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z13 | NOCLLIKNOWN | 11/29/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z13 | NOCLLIKNOWN | 04/24/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-7 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | WSNG238Z13 | NOCLLIKNOWN | 05/27/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-8 | MD | HD CARRIER LLC | 321J | WSNG238Z13 | NOCLLIKNOWN | 04/07/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-307-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z13 | NOCLLIKNOWN | 10/08/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | LAUREL238 | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-310 | |||||||
| 301-310-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | LAUREL238 | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 10/06/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 05/04/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 05/04/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 05/24/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/24/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 07/05/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/08/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-310-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WSNG238Z15 | BLTMMDCHXFX | 03/09/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-327 | |||||||
| 301-327-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | NOCLLIKNOWN | 08/06/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | NOCLLIKNOWN | 12/03/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 06/26/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WSNG238Z15 | BLTOMDKHDS0 | 11/14/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | NOCLLIKNOWN | 09/20/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WSNG238Z15 | BLTMMDCHXFX | 02/19/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-6 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 09/02/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-7 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 07/24/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 09/02/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-327-9 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 02/14/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-329 | |||||||
| 301-329-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ASHTON238 | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ASHTON238 | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 03/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 08/07/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ASHTON238 | NOCLLIKNOWN | 04/24/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 09/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | ASHTON238 | BLTMMDDN2MD | 05/14/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | ASHTON238 | BLTMMDCH42Z | 12/16/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-329-9 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | ASHTON238 | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-395 | |||||||
| 301-395-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 03/15/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 08/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/17/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/17/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/17/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 11/17/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-395-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 01/05/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | PRFRMDPFRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-494 | |||||||
| 301-494-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | NOCLLIKNOWN | 05/29/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WSNG238Z15 | BLTMMDCHXFX | 03/03/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z15 | NOCLLIKNOWN | 02/06/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-4 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 03/01/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-5 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 06/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-6 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | WSNG238Z15 | BLTMMDDN2MD | 05/23/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-7 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 06/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z15 | NOCLLIKNOWN | 04/09/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-494-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z15 | NOCLLIKNOWN | 04/09/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 02/20/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-532 | |||||||
| 301-532-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 06/27/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/09/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTOMDKHBMD | 02/09/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 06/16/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | LAUREL238 | NOCLLIKNOWN | 03/24/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 01/05/2017 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 11/09/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 10/28/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 10/28/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-532-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | LAUREL238 | BLTMMDCH40Z | 02/23/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-596 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | LAUREL238 | CLMAMDCBRP0 | 00/00/0000 | Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | WSNG238Z14 | BLTMMDCHCMD | 10/11/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 301-612 | |||||||
| 301-612-0 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-1 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-2 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-3 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-4 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-5 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | WSNG238Z14 | BLTMMDCHCMD | 10/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-7 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-8 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-612-9 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-621 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-629-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-629-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-708-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | LAUREL238 | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 10/28/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-2 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | LAUREL238 | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | LAUREL238 | NOCLLIKNOWN | 08/13/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 06/24/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 11/16/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 11/16/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 06/24/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 10/19/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-708-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | LAUREL238 | BLTMMDCH05Z | 10/19/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | NRBHMDNEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-812-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 08/19/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z15 | NOCLLIKNOWN | 09/13/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-5 | MD | PAETEC ITEL, LLC | 829J | WSNG238Z15 | NOCLLIKNOWN | 08/16/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-6 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 11/14/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-7 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | WSNG238Z15 | NOCLLIKNOWN | 09/22/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-8 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | WSNG238Z15 | NOCLLIKNOWN | 05/27/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-812-9 | MD | PAETEC ITEL, LLC | 829J | WSNG238Z15 | NOCLLIKNOWN | 01/08/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-854-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ASHTON238 | CLVLMDCEDS0 | N/A | Prefix Type: CLEC Switch Name: COLUMBIA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-854-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ASHTON238 | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-855 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z15 | NRBHMDNEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-858 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | STMRMDSMRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-878 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | GLVLMDGLRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-889-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-1 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z14 | NOCLLIKNOWN | 10/11/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-3 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-4 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-5 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-6 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-7 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 08/12/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 03/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-889-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 03/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-912-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: CLEC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: CLEC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-912-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | ODTNMDPORS2 | N/A | Prefix Type: CLEC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-970-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNG238Z14 | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | WSNG238Z14 | NOCLLIKNOWN | 10/11/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-970-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z14 | NOCLLIKNOWN | 10/14/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG238Z14 | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 301-973-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 10/22/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-4 | MD | HD CARRIER LLC | 321J | WSNG238Z14 | NOCLLIKNOWN | 04/08/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | WSNG238Z14 | NOCLLIKNOWN | 09/17/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-6 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WSNG238Z14 | NOCLLIKNOWN | 03/23/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 301-973-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WSNG238Z14 | NOCLLIKNOWN | 10/12/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-201 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-203 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-204-0 | MD | BARR TELL USA, INC. | 964H | ARBUTUS | NOCLLIKNOWN | 11/18/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | NOCLLIKNOWN | 04/21/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ARBUTUS | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | NOCLLIKNOWN | 09/19/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | NOCLLIKNOWN | 04/21/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | ARBUTUS | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARBUTUS | NOCLLIKNOWN | 10/30/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-204-9 | MD | IP HORIZON LLC | 515J | ARBUTUS | NOCLLIKNOWN | 12/07/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-205 | |||||||
| 410-205-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 07/03/2008 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 06/16/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PIKESVILLE | BLTMMDSNDS5 | 08/28/2009 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 06/15/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 09/24/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | 11/19/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-8 | MD | PAETEC ITEL, LLC | 829J | PIKESVILLE | CLMAMDJTDS0 | 02/16/2010 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-205-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-206 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-207 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-209 | |||||||
| 410-209-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 03/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 03/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-209-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 03/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 01/08/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-210 | |||||||
| 410-210-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | GLENBURNIE | NOCLLIKNOWN | 03/17/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-1 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | GLENBURNIE | NOCLLIKNOWN | 03/17/2022 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 12/10/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-3 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | GLENBURNIE | NOCLLIKNOWN | 01/27/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-4 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | GLENBURNIE | NOCLLIKNOWN | 01/27/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 03/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 04/08/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 04/08/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-8 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | GLENBURNIE | NOCLLIKNOWN | 01/27/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-210-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 04/08/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-212 | |||||||
| 410-212-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ANNAPOLIS | NOCLLIKNOWN | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-212-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 03/11/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-214 | |||||||
| 410-214-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 03/12/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-2 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | RISING SUN | NOCLLIKNOWN | 06/13/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | RISING SUN | NOCLLIKNOWN | 06/20/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | RISING SUN | NOCLLIKNOWN | 09/03/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-7 | MD | DISH WIRELESS, LLC | 490J | RISING SUN | NOCLLIKNOWN | 01/30/2023 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 06/10/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-214-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RISING SUN | BLTMMD91GT0 | 06/10/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-215 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-216 | |||||||
| 410-216-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ANNAPOLIS | NOCLLIKNOWN | 05/13/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ANNAPOLIS | BLTMMDCHXFX | 12/01/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ANNAPOLIS | NOCLLIKNOWN | 03/24/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ANNAPOLIS | NOCLLIKNOWN | 06/08/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 07/15/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-216-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-217 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-218 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/30/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-220 | |||||||
| 410-220-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ELKRIDGE | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELKRIDGE | NOCLLIKNOWN | 11/09/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELKRIDGE | NOCLLIKNOWN | 02/06/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELKRIDGE | NOCLLIKNOWN | 11/12/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-4 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ELKRIDGE | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELKRIDGE | NOCLLIKNOWN | 05/21/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELKRIDGE | NOCLLIKNOWN | 07/15/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 10/04/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELKRIDGE | NOCLLIKNOWN | 07/25/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-220-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ELKRIDGE | NOCLLIKNOWN | 10/04/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-222 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-223 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-224 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-225 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-227 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-229 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-230 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-231-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SOLOMONS | NOCLLIKNOWN | 07/17/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SOLOMONS | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | SOLOMONS | NOCLLIKNOWN | 07/10/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-7 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | SOLOMONS | NOCLLIKNOWN | 04/05/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-231-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SOLOMONS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-232 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | BALTIMORE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-233 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDRP0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-234 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-235 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-236 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-237-0 | MD | NUSO, LLC | 551G | BALTIMORE | BLTMMDCHDMD | 06/25/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 10/11/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 05/22/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 11/01/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 11/01/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-237-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-238-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-238-9 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | ESSEX | NOCLLIKNOWN | 05/18/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-239 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | HMPSMDHERS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/06/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-240-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-240-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-241 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-242 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-243 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-244 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-245 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-246-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 07/16/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-246-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-247 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-248-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: CLEC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-5 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | PARKVILLE | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-6 | MD | TERRA NOVA TELECOM INC. | 145J | PARKVILLE | NOCLLIKNOWN | 08/27/2021 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PARKVILLE | NOCLLIKNOWN | 03/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-248-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | N/A | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-249-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-249-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-252 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-254 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-255 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARGRGBSNIS | ARMGMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARMIGER-GIBSON ISLAND Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-256 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-257 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-258-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-258-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-259 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-260-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 06/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-260-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SEVERNA PK | NOCLLIKNOWN | 09/28/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-261-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | BLTMMDUVDS0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 04/20/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDUVDS0 | 01/29/2024 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-261-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/23/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-262-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-262-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-263 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-265 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-266 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-267-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-267-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-268 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-269-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-269-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-271 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-272 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-273-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | 02/12/2016 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-273-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-274 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-276 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-277-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-1 | MD | IP HORIZON LLC | 515J | WOODLAWN | NOCLLIKNOWN | 02/23/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-277-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-278 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-279 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-280-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-280-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-281 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-282 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DUNDALK | DNDLMDDNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-283 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-284 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DUNDALK | DNDLMDDNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-285 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DUNDALK | DNDLMDDNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-286-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | NORTHBEACH | NOCLLIKNOWN | 06/20/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-4 | MD | TERRA NOVA TELECOM INC. | 145J | NORTHBEACH | NOCLLIKNOWN | 03/11/2022 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-286-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTHBEACH | NRBHMDNEDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH BEACH Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-287 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NORTH EAST | NRTEMDNERS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NORTH EAST Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-288 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DUNDALK | DNDLMDDNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-290 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-291-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-1 | MD | NUSO, LLC | 551G | BALTIMORE | BLTMMDCHDMD | 05/08/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | BLTMMDCH1DD | 10/17/2017 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | CLMAMDJTDSA | 08/03/2017 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | BALTIMORE | BLTMMDDN2MD | 07/10/2017 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-8 | MD | NUSO, LLC | 551G | BALTIMORE | BLTMMDCHDMD | 05/08/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-291-9 | MD | IP HORIZON LLC | 515J | BALTIMORE | BLTMMDCH1DD | 03/27/2019 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-292 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-293 | MD | PAETEC ITEL, LLC | 829J | ANNAPOLIS | BLTMMDCHW29 | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-294 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-295 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-296 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-297-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ABERDEEN | NOCLLIKNOWN | 04/21/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 01/07/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ABERDEEN | NOCLLIKNOWN | 04/21/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-297-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-298 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-299 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/15/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-300-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 05/01/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/20/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 12/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 12/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 12/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/20/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/20/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/20/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/15/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-300-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/15/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/06/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-301-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-301-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-302 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-303 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-305-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-4 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 07/17/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ODENTON | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 09/29/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 11/20/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-305-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ODENTON | NOCLLIKNOWN | 12/03/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-306-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 04/23/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ABERDEEN | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-7 | MD | PAETEC ITEL, LLC | 829J | ABERDEEN | CLMAMDJTDS0 | 02/12/2005 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ABERDEEN | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-306-9 | MD | PAETEC ITEL, LLC | 829J | ABERDEEN | CLMAMDJTDS0 | 02/03/2003 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-307-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 09/14/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-1 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | TOWSON | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/09/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/09/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/09/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 09/14/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-307-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/17/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-308 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-309 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-312 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-313 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARBUTUS | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-314-0 | MD | COMMIO, LLC | 939H | ARBUTUS | BLTQMD013MD | 05/18/2021 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARBUTUS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARBUTUS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARBUTUS | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-4 | MD | TELNYX LLC | 073H | ARBUTUS | NOCLLIKNOWN | 03/02/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-5 | MD | PAETEC ITEL, LLC | 829J | ARBUTUS | PIVLMDPKFMD | 02/27/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 07/02/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARBUTUS | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 07/02/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-314-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARBUTUS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-315-0 | MD | TERRA NOVA TELECOM INC. | 145J | SEVERNA PK | NOCLLIKNOWN | 01/09/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 03/07/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-2 | MD | IP HORIZON LLC | 515J | SEVERNA PK | NOCLLIKNOWN | 03/27/2019 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERNA PK | NOCLLIKNOWN | 04/05/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERNA PK | NOCLLIKNOWN | 04/05/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-315-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-316-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-1 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | COCKEYSVL | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-4 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | COCKEYSVL | MANRMDMNRS0 | 07/23/2018 | Prefix Type: CLEC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-316-9 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | 01/08/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARGRGBSNIS | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-317-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ARGRGBSNIS | NOCLLIKNOWN | 12/08/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-1 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | ARGRGBSNIS | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARGRGBSNIS | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-3 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ARGRGBSNIS | NOCLLIKNOWN | 12/08/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARGRGBSNIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARGRGBSNIS | NOCLLIKNOWN | 09/10/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-6 | MD | PAETEC ITEL, LLC | 829J | ARGRGBSNIS | CLMAMDJTDS0 | 12/23/2009 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARGRGBSNIS | NOCLLIKNOWN | 04/18/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ARGRGBSNIS | NOCLLIKNOWN | 04/28/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-317-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ARGRGBSNIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-318-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-318-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 07/30/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-319-0 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/23/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | BLTMMDHMDS0 | 01/09/2019 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-4 | MD | TERRA NOVA TELECOM INC. | 145J | BALTIMORE | BLTMMDHMDS0 | 08/26/2021 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-319-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-320-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-320-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-321 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-322 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BEL AIR | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-323 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-324-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/22/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | TOWSON | NOCLLIKNOWN | 04/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | TOWSON | NOCLLIKNOWN | 04/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-324-9 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | TOWSON | NOCLLIKNOWN | 06/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-325-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 09/07/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-325-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-326 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-327 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-328 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-329-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | COCKEYSVL | NOCLLIKNOWN | 05/18/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 02/11/2019 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | PKTNMDPKRS0 | 08/03/2018 | Prefix Type: WIRELESS Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-329-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-331 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ELKRIDGE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-332 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-333 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-335 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHASE | CHASMDCHDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHASE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-336 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-337 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-338-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-338-9 | MD | IP HORIZON LLC | 515J | BALTIMORE | BLTMMDCHXHX | 03/27/2019 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-339-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/22/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/22/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-339-9 | MD | TERRA NOVA TELECOM INC. | 145J | TOWSON | NOCLLIKNOWN | 01/17/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-340 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-342 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | PKTNMDPKRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-343-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARKSGLNC | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SPARKSGLNC | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SPARKSGLNC | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SPARKSGLNC | NOCLLIKNOWN | 02/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-8 | MD | PAETEC ITEL, LLC | 829J | SPARKSGLNC | CLMAMDJTDS0 | 01/19/2006 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-343-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SPARKSGLNC | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHASE | CHASMDCHDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHASE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-344-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHASE | CHASMDCHDS0 | N/A | Prefix Type: RBOC Switch Name: CHASE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHASE | CHASMDCHDS0 | N/A | Prefix Type: RBOC Switch Name: CHASE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHASE | NOCLLIKNOWN | 03/03/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | CHASE | BLTMMDCHXWY | 05/02/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-4 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | CHASE | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHASE | NOCLLIKNOWN | 05/14/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CHASE | NOCLLIKNOWN | 06/25/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHASE | NOCLLIKNOWN | 12/05/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-8 | MD | PAETEC ITEL, LLC | 829J | CHASE | CLMAMDJTDS0 | 02/03/2003 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-344-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHASE | CHASMDCHDS0 | N/A | Prefix Type: RBOC Switch Name: CHASE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-345-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 02/20/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-345-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | OWMLMDOMDS0 | 02/20/2024 | Prefix Type: WIRELESS Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SILVER RUN | SLRNMDSLRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SILVER RUN Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-346-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | SILVER RUN | NOCLLIKNOWN | 03/07/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | SILVER RUN | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SILVER RUN | NOCLLIKNOWN | 06/14/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | SILVER RUN | NOCLLIKNOWN | 03/07/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-4 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | SILVER RUN | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SILVER RUN | NOCLLIKNOWN | 02/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SILVER RUN | SLRNMDSLRS0 | N/A | Prefix Type: RBOC Switch Name: SILVER RUN Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SILVER RUN | SLRNMDSLRS0 | N/A | Prefix Type: RBOC Switch Name: SILVER RUN Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SILVER RUN | SLRNMDSLRS0 | 06/27/2006 | Prefix Type: RBOC Switch Name: SILVER RUN Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-346-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | SILVER RUN | NOCLLIKNOWN | 03/15/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-347 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-349-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-5 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | ANNAPOLIS | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 01/05/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-349-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-350-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/11/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 02/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 02/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 02/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-350-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/11/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-351 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | BALTIMORE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-353 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-354 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-355 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BRKLMDBKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-356 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKTON | PKTNMDPKRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-357-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKTON | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKTON | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PARKTON | NOCLLIKNOWN | 07/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKTON | NOCLLIKNOWN | 04/24/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKTON | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKTON | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKTON | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PARKTON | NOCLLIKNOWN | 07/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKTON | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-357-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKTON | PKTNMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKTON Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-358 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-359 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-360 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARGRGBSNIS | ARMGMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARMIGER-GIBSON ISLAND Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-361-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/26/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/26/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-361-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-362 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDRP0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-363 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-365-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-365-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-366 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-367 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-368-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | NOCLLIKNOWN | 06/04/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-368-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-369-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-1 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-2 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-3 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-5 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 12/14/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 12/14/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-369-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BALTIMORE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-370 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-371 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-372-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 09/15/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | TOWSON | NOCLLIKNOWN | 11/06/2002 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-6 | MD | PAETEC ITEL, LLC | 829J | TOWSON | CLMAMDJTDS0 | 10/20/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-372-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-373 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-374-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-7 | MD | PAETEC ITEL, LLC | 829J | HAMPSTEAD | HNVAMDBHAMD | 03/03/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-374-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAMPSTEAD | HMPSMDHERS1 | N/A | Prefix Type: RBOC Switch Name: HAMPSTEAD Switch Type: AT&T 5ESS-2000 VCDX LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-375 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-377 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-378-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-7 | MD | TELNYX LLC | 073H | PT DEPOSIT | NOCLLIKNOWN | 09/18/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-378-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PT DEPOSIT | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-379 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-381 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-382 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-383 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-384-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 11/06/2002 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 02/05/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 08/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 02/02/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-384-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-385 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-386 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 08/12/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-387-0 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | BALTIMORE | NOCLLIKNOWN | 09/26/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 08/15/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-4 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 08/15/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 09/20/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-387-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-388 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARROWSPT | NRPNMDNPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPARROWS POINT Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-389 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | BALTIMORE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-391 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-392 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-393 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-394-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | N/A | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | N/A | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | N/A | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | N/A | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SOLOMONS | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SOLOMONS | NOCLLIKNOWN | 11/08/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SOLOMONS | SLMNMDSLRS1 | N/A | Prefix Type: RBOC Switch Name: SOLOMONS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-7 | MD | PAETEC ITEL, LLC | 829J | SOLOMONS | CLMAMDJTDS0 | 01/15/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SOLOMONS | NOCLLIKNOWN | 05/06/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-394-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SOLOMONS | NOCLLIKNOWN | 02/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-395-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ARBUTUS | NOCLLIKNOWN | 12/28/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-395-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-396 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-398 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-399-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 09/29/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-3 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | 02/27/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-5 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | BEL AIR | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 09/29/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-399-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/15/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-400-0 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-1 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-3 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-4 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-5 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-400-9 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 06/20/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BRYNPKLNCM | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-401-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BRYNPKLNCM | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BRYNPKLNCM | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BRYNPKLNCM | NOCLLIKNOWN | 04/30/2002 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | BRYNPKLNCM | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-4 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BRYNPKLNCM | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | BRYNPKLNCM | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-6 | MD | IP HORIZON LLC | 515J | BRYNPKLNCM | NOCLLIKNOWN | 09/15/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BRYNPKLNCM | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | BRYNPKLNCM | NOCLLIKNOWN | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-401-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BRYNPKLNCM | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-402-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CATONSVL | NOCLLIKNOWN | 11/03/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-402-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CATONSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-403 | |||||||
| 410-403-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 04/02/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 08/09/2016 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | COCKEYSVL | NOCLLIKNOWN | 10/09/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 08/03/2018 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-403-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-404 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-405 | |||||||
| 410-405-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-3 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | FORK | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | FORK | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/28/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-405-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ESSEX | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-406 | |||||||
| 410-406-0 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | ESSEX | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | ESSEX | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ESSEX | CLMAMDORGT0 | 03/23/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-3 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ESSEX | NOCLLIKNOWN | 05/03/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-4 | MD | BARR TELL USA, INC. | 964H | ESSEX | NOCLLIKNOWN | 11/18/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ESSEX | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | ESSEX | NOCLLIKNOWN | 05/22/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ESSEX | NOCLLIKNOWN | 10/20/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-8 | MD | PAETEC ITEL, LLC | 829J | ESSEX | CLMAMDJTDS0 | 02/27/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-406-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ESSEX | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-407 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-408 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-409 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-410 | |||||||
| 410-410-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-1 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-3 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-7 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-8 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-410-9 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | BALTIMORE | BLTMMDCHXUX | 05/17/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-412 | |||||||
| 410-412-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 08/14/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | GLENBURNIE | NOCLLIKNOWN | 04/28/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 02/13/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-5 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | GLENBURNIE | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 03/26/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-412-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-413 | |||||||
| 410-413-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | PIKESVILLE | BLTMMDCHXWY | 05/02/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | PIKESVILLE | NOCLLIKNOWN | 02/18/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | 01/31/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | PIKESVILLE | NOCLLIKNOWN | 05/22/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-8 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | PIKESVILLE | NOCLLIKNOWN | 09/28/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-413-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-414 | |||||||
| 410-414-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-6 | MD | PAETEC ITEL, LLC | 829J | PRINCEFRCK | BLTMMDCH14Z | 02/27/2004 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-414-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | N/A | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-415 | |||||||
| 410-415-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PIKESVILLE | NOCLLIKNOWN | 11/26/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 01/31/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PIKESVILLE | PIVLMDPKDS1 | N/A | Prefix Type: CLEC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-415-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 03/30/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 08/16/2007 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-417-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 08/22/2007 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 08/22/2007 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 08/22/2007 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 08/22/2007 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 08/22/2007 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | EDGEWOOD | NOCLLIKNOWN | 01/17/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-417-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 11/02/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-418 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-419-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-419-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-420-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-4 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | BEL AIR | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BEL AIR | NOCLLIKNOWN | 05/11/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-420-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-421-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 02/02/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 02/02/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-2 | MD | BARR TELL USA, INC. | 964H | SEVERNA PK | NOCLLIKNOWN | 11/18/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERNA PK | NOCLLIKNOWN | 04/05/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERNA PK | NOCLLIKNOWN | 04/05/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERNA PK | NOCLLIKNOWN | 04/05/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 07/20/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-421-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-423 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COLUMBIA | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-424-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | GLENBURNIE | NOCLLIKNOWN | 04/18/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | NOCLLIKNOWN | 04/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 04/09/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | NOCLLIKNOWN | 04/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 09/09/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-424-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 09/09/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-426 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-427 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | TOWSON | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-428 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WORTHINGTN | RSTWMDRSDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-429-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WORTHINGTN | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | NOCLLIKNOWN | 03/17/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | NOCLLIKNOWN | 03/17/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 07/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WORTHINGTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WORTHINGTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WORTHINGTN | NOCLLIKNOWN | 04/07/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WORTHINGTN | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-8 | MD | TELNYX LLC | 073H | WORTHINGTN | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-429-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 07/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-431-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 03/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | SEVERNA PK | NOCLLIKNOWN | 11/09/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 03/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 03/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERNA PK | NOCLLIKNOWN | 04/05/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-431-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-432 | |||||||
| 410-432-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 04/29/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 06/11/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SEVERNA PK | NOCLLIKNOWN | 11/14/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SEVERNA PK | NOCLLIKNOWN | 09/18/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-432-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-433 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-434 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-435 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-436-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 02/11/2005 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-436-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 02/11/2005 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-437 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARGRGBSNIS | ARMGMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARMIGER-GIBSON ISLAND Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-439 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARGRGBSNIS | ARMGMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARMIGER-GIBSON ISLAND Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-440 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-441-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-2 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | 02/03/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKTON | BLTOMDKHDS0 | 01/12/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELKTON | NOCLLIKNOWN | 08/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | 09/01/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-7 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | ELKTON | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-8 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | ELKTON | NOCLLIKNOWN | 06/02/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-441-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-442-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELLICOTTCY | NOCLLIKNOWN | 04/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-442-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-444 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDHMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-445 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | BALTIMORE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-446 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-447 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | COLUMBIA | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-448-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 08/30/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-448-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | WDLWMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SOLOMONS | BLTMMDCH45Z | 02/12/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-449-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SOLOMONS | BLTMMDCH45Z | 02/16/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | SOLOMONS | NOCLLIKNOWN | 04/05/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SOLOMONS | BLTMMDCH45Z | 04/20/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SOLOMONS | BLTOMDKHDS0 | 07/11/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SOLOMONS | BLTMMDCH45Z | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SOLOMONS | BLTMMDCH45Z | 05/29/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SOLOMONS | NOCLLIKNOWN | 11/12/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | SOLOMONS | NOCLLIKNOWN | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SOLOMONS | NOCLLIKNOWN | 06/10/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-449-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SOLOMONS | BLTMMDCH40Z | 02/07/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-450-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | NOCLLIKNOWN | 09/01/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | NOCLLIKNOWN | 07/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-450-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-451 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CROFTON | COTNMDCRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CROFTON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CARDIFF | CRDFMDCDRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-452-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CARDIFF | CRDFMDCDRS0 | N/A | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-1 | MD | PAETEC ITEL, LLC | 829J | CARDIFF | BLTMMDCH14Z | 02/03/2003 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-2 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | CARDIFF | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | CARDIFF | NOCLLIKNOWN | 03/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-4 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | CARDIFF | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CARDIFF | CRDFMDCDRS0 | N/A | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | CARDIFF | NOCLLIKNOWN | 03/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CARDIFF | NOCLLIKNOWN | 12/05/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CARDIFF | CRDFMDCDRS0 | N/A | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-452-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CARDIFF | CRDFMDCDRS0 | N/A | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-453-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/22/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | CYVLMDCKDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/22/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-453-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-454 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-455 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-456 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DARLINGTON | DRTNMDDRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-457-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DARLINGTON | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-1 | MD | PAETEC ITEL, LLC | 829J | DARLINGTON | BLTMMDCH14Z | 02/03/2003 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DARLINGTON | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | DARLINGTON | NOCLLIKNOWN | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DARLINGTON | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | DARLINGTON | DRTNMDDRRS0 | N/A | Prefix Type: RBOC Switch Name: DARLINGTON Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | DARLINGTON | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | DARLINGTON | NOCLLIKNOWN | 02/06/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-8 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | DARLINGTON | NOCLLIKNOWN | 08/11/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-457-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | DARLINGTON | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-458 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-459 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-460 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ELKRIDGE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-461 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-462 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-464-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/26/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/26/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-464-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-465 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-466 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-467 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-468 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-469-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/20/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | NOCLLIKNOWN | 04/14/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: CLEC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 06/24/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 06/24/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 01/26/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-469-9 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 03/10/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 06/28/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-470-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-470-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 07/08/2005 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-471 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-472-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SPARKSGLNC | NOCLLIKNOWN | 03/10/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SPARKSGLNC | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-472-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARKSGLNC | MANRMDMNRS0 | N/A | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-473 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-474 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PRINCEFRCK | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-475 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-477 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SPARROWSPT | NRPNMDNPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPARROWS POINT Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-478-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-478-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 07/19/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-480 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-481 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-483-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/26/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-483-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-484 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-485 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-486 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-487-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 01/04/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 03/06/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 04/04/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 06/04/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 07/03/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENBURNIE | NOCLLIKNOWN | 04/20/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-487-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | GLENBURNIE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-488 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-489-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENWOOD | NOCLLIKNOWN | 03/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-8 | MD | PAETEC ITEL, LLC | 829J | GLENWOOD | CLMAMDJTDS0 | 02/03/2003 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-489-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENWOOD | GLWDMDGDRS1 | N/A | Prefix Type: RBOC Switch Name: GLENWOOD Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-491-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-491-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-492 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-493-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-493-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-494 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-495 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | MUTLMDMTRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-496 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | RANDALLSTN | RNTWMDRADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: RANDALLSTOWN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-497-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PARKVILLE | BLTMMDSN5MD | 03/21/2007 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | PARKVILLE | BLTMMDCHXWY | 07/21/2008 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-3 | MD | PAETEC ITEL, LLC | 829J | PARKVILLE | HNVAMDBHAMD | 03/07/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | PARKVILLE | BLTMMDCHXWY | 01/13/2009 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 07/27/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 03/22/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-497-9 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 11/08/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-498-0 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-1 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-2 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-3 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | COCKEYSVL | NOCLLIKNOWN | 08/05/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 06/05/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 06/05/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 06/05/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 06/05/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-498-9 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-499 | |||||||
| 410-499-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-499-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-500 | |||||||
| 410-500-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/11/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/11/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/11/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/11/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-4 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 05/09/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-5 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 05/09/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 06/15/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 06/15/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 06/15/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-500-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 03/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501 | MD | PAETEC ITEL, LLC | 829J | ARBUTUS | PIVLMDPKFMD | 06/28/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-501 | |||||||
| 410-501-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 05/21/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-1 | MD | PAETEC ITEL, LLC | 829J | ARBUTUS | PIVLMDPKFMD | 07/08/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARBUTUS | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARBUTUS | NOCLLIKNOWN | 02/07/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 05/21/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ARBUTUS | NOCLLIKNOWN | 11/25/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ARBUTUS | NOCLLIKNOWN | 11/25/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 05/21/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 05/21/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-501-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 05/21/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-502 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-503 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-504 | |||||||
| 410-504-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PIKESVILLE | NOCLLIKNOWN | 09/27/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 03/09/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 03/09/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 03/09/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | 06/30/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PIKESVILLE | NOCLLIKNOWN | 09/27/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 02/22/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-504-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 04/30/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-505 | |||||||
| 410-505-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ELLICOTTCY | NOCLLIKNOWN | 09/21/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-1 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | ELLICOTTCY | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | 01/09/2003 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ELLICOTTCY | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 01/27/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 07/01/2002 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-7 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ELLICOTTCY | NOCLLIKNOWN | 01/27/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 11/10/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-505-9 | MD | PAETEC ITEL, LLC | 829J | ELLICOTTCY | HNVAMDBHAMD | 02/27/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-506 | |||||||
| 410-506-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 11/15/2002 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 11/15/2002 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-506-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 11/15/2002 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-507 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-508 | |||||||
| 410-508-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 11/09/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 11/09/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 11/09/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 11/09/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 11/09/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 11/09/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-508-9 | MD | IP HORIZON LLC | 515J | GLENBURNIE | NOCLLIKNOWN | 05/03/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | FORK | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-510 | |||||||
| 410-510-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | FORK | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | FORK | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | FORK | NOCLLIKNOWN | 06/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | FORK | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | FORK | NOCLLIKNOWN | 06/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-6 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | FORK | NOCLLIKNOWN | 06/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | FORK | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 09/20/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-510-9 | MD | TERRA NOVA TELECOM INC. | 145J | FORK | NOCLLIKNOWN | 12/30/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-512-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 06/14/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-512-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 03/14/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PARKVILLE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-513-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PARKVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PARKVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PARKVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PARKVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PARKVILLE | CLMAMDORGT0 | 07/26/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKVILLE | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PARKVILLE | CLMAMDORGT0 | 01/23/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 11/20/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-8 | MD | PAETEC ITEL, LLC | 829J | PARKVILLE | HNVAMDBHAMD | 02/27/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-513-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 11/02/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-514-0 | MD | PAETEC ITEL, LLC | 829J | SEVERN | BLARMDBL1MD | 02/03/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-1 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | SEVERN | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SEVERN | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERN | NOCLLIKNOWN | 02/17/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-4 | MD | PAETEC ITEL, LLC | 829J | SEVERN | BLARMDBL1MD | 07/02/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 09/26/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 05/01/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 04/11/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-514-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-515 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | WNRNMDWNRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: FORK Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-516-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-516-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 02/13/2002 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-517-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | REISTERSTN | BLTMMDCHFMD | 06/14/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-6 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | REISTERSTN | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | REISTERSTN | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-517-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | REISTERSTN | BLTMMDCHFMD | 04/05/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-518-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | SEVERNA PK | BLTMMDCHXUX | 05/01/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-3 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | SEVERNA PK | BLTMMDCHXUX | 05/01/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | SEVERNA PK | BLTMMDCHXUX | 05/01/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | SEVERNA PK | BLTMMDCHXUX | 05/01/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-518-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-519 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | ODTNMDONDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-521 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | RANDALLSTN | RNTWMDRADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: RANDALLSTOWN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-522-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/17/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-522-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-523 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-525-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 07/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 04/14/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 07/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-7 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | BALTIMORE | NOCLLIKNOWN | 01/04/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-525-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-526 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-527 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-528-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/17/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-528-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-529 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PRHLMDPHDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-530-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-530-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-531 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLVLMDCEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-532 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-533 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-534-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-534-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-535 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | PRFRMDPFRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-536-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARBUTUS | ARBTMDARDS0 | 03/13/2019 | Prefix Type: CLEC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ARBUTUS | ARBTMDARDS0 | 01/03/2024 | Prefix Type: WIRELESS Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-6 | MD | TERRA NOVA TELECOM INC. | 145J | ARBUTUS | NOCLLIKNOWN | 01/09/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-8 | MD | TERRA NOVA TELECOM INC. | 145J | ARBUTUS | ARBTMDARDS0 | 12/30/2020 | Prefix Type: IPES Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-536-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-537-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-537-9 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | CLMAMDJTDSA | 01/08/2016 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-538-0 | MD | TERRA NOVA TELECOM INC. | 145J | FORK | NOCLLIKNOWN | 08/14/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 02/08/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 09/21/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-538-9 | MD | TERRA NOVA TELECOM INC. | 145J | FORK | NOCLLIKNOWN | 12/11/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-539 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-540 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-541-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 02/18/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | SEVERNA PK | NOCLLIKNOWN | 03/31/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 11/20/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-541-9 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 02/02/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-542 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-544 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-545 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-547 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-549 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-550 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDKMRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-551 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | ODTNMDONDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-552-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SYKESVILLE | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SYKESVILLE | NOCLLIKNOWN | 04/24/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-552-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-553-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 07/07/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-4 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENBURNIE | NOCLLIKNOWN | 03/10/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 02/22/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 08/23/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-553-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-554 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-557-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-1 | MD | PAETEC ITEL, LLC | 829J | FORK | HNVAMDBHAMD | 03/09/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-5 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | FORK | NOCLLIKNOWN | 04/17/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-557-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-558-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | BLTMMDSN5MD | 01/13/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-558-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PIKESVILLE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-559-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PIKESVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-1 | MD | TELNYX LLC | 073H | PIKESVILLE | NOCLLIKNOWN | 03/02/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PIKESVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PIKESVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | PIKESVILLE | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PIKESVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | 10/27/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 09/03/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-8 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PIKESVILLE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-559-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | PIKESVILLE | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-560-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/07/2025 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-560-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-561-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 11/10/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-561-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-562-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-562-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-563 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ELKRIDGE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-564-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ELKRIDGE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELKRIDGE | NOCLLIKNOWN | 07/25/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ELKRIDGE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/29/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 06/26/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ELKRIDGE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 06/26/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 06/26/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 06/26/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-564-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/17/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-565-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-1 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 07/02/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-3 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ARBUTUS | NOCLLIKNOWN | 09/21/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARBUTUS | NOCLLIKNOWN | 04/10/2009 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-8 | MD | IP HORIZON LLC | 515J | ARBUTUS | NOCLLIKNOWN | 02/23/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-565-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ARBUTUS | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-566 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDRP0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKRIDGE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-567-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELKRIDGE | NOCLLIKNOWN | 10/25/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKRIDGE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKRIDGE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ELKRIDGE | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELKRIDGE | NOCLLIKNOWN | 03/11/2002 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKRIDGE | BLTOMDKHDS0 | 09/19/2006 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKRIDGE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-567-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELKRIDGE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-568-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-4 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 02/11/2019 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-7 | MD | PAETEC ITEL, LLC | 829J | COCKEYSVL | HNVAMDBHAMD | 09/08/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 03/07/2018 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-568-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 03/07/2018 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-569 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | WNRNMDWNRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: FORK Switch Type: Digital Switching System LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-570 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-571-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ANNAPOLIS | BLTMMDCHXFX | 05/02/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ANNAPOLIS | NOCLLIKNOWN | 02/18/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ANNAPOLIS | BLTMMDCHXFX | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-571-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-573 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-574 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-575-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FORK | NOCLLIKNOWN | 05/05/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-575-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-576 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/10/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-577-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-577-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 05/12/2005 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-578 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-579 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-580 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-581 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-582-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 05/18/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | NOCLLIKNOWN | 04/06/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | NOCLLIKNOWN | 04/06/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 08/22/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 08/22/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENBURNIE | NOCLLIKNOWN | 10/04/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-582-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-583-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-3 | MD | IP HORIZON LLC | 515J | TOWSON | NOCLLIKNOWN | 03/27/2019 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-583-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-584-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 02/08/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 02/08/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-584-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-585-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | N/A | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 02/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 02/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/26/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/11/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/26/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-585-9 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 01/26/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-586 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PRINCEFRCK | MUTLMDMTRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PRINCE FREDERICK Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-587-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | ARBUTUS | NOCLLIKNOWN | 02/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARBUTUS | ARBTMDARDS0 | N/A | Prefix Type: CLEC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ARBUTUS | NOCLLIKNOWN | 02/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-3 | MD | HD CARRIER LLC | 321J | ARBUTUS | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-4 | MD | HD CARRIER LLC | 321J | ARBUTUS | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-5 | MD | HD CARRIER LLC | 321J | ARBUTUS | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-6 | MD | HD CARRIER LLC | 321J | ARBUTUS | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-7 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | ARBUTUS | NOCLLIKNOWN | 05/04/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-8 | MD | HD CARRIER LLC | 321J | ARBUTUS | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-587-9 | MD | HD CARRIER LLC | 321J | ARBUTUS | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-588-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 05/12/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 05/12/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-588-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 08/23/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BRYNPKLNCM | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-589-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | NOCLLIKNOWN | 03/24/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-1 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BRYNPKLNCM | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-2 | MD | TELNYX LLC | 073H | BRYNPKLNCM | NOCLLIKNOWN | 04/13/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BRYNPKLNCM | NOCLLIKNOWN | 07/16/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BRYNPKLNCM | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BRYNPKLNCM | NOCLLIKNOWN | 02/07/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BRYNPKLNCM | NOCLLIKNOWN | 09/10/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BRYNPKLNCM | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-8 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BRYNPKLNCM | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-589-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | BRYNPKLNCM | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-590 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-591 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-592-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-592-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-593-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 01/26/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 07/14/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 01/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | FORK | NOCLLIKNOWN | 11/18/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 01/26/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-593-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-594 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-595-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 06/10/2004 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | GLENBURNIE | NOCLLIKNOWN | 04/28/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-3 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENBURNIE | NOCLLIKNOWN | 10/24/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENBURNIE | NOCLLIKNOWN | 09/12/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-8 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-595-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | GLENBURNIE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-596 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-597 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-598 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-599 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-601-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 05/19/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-601-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-602 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-605 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-607 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-608-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-608-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BRYNPKLNCM | BRKLMDBKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-609-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BRYNPKLNCM | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BRYNPKLNCM | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BRYNPKLNCM | BRKLMDBKDS0 | N/A | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | NOCLLIKNOWN | 01/12/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | NOCLLIKNOWN | 08/05/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | BRYNPKLNCM | NOCLLIKNOWN | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | NOCLLIKNOWN | 02/24/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | NOCLLIKNOWN | 03/29/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-8 | MD | PAETEC ITEL, LLC | 829J | BRYNPKLNCM | HNVAMDBHAMD | 02/03/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-609-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | BRYNPKLNCM | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-610 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PRINCEFRCK | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-612-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | EDGEWOOD | NOCLLIKNOWN | 11/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-612-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-613 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCH1DD | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-614 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-615 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-616-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-8 | MD | PAETEC ITEL, LLC | 829J | TOWSON | HNVAMDBHAMD | 02/03/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-616-9 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 08/24/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-617-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 05/19/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDYKDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 05/19/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-617-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDYKDS0 | 07/15/2019 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618 | MD | IDT AMERICA, CORP. - MD | 228C | PERRYVILLE | BLTMMDCH3MD | 11/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-618 | |||||||
| 410-618-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | PERRYVILLE | NOCLLIKNOWN | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | PERRYVILLE | NOCLLIKNOWN | 07/01/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-2 | MD | IDT AMERICA, CORP. - MD | 228C | PERRYVILLE | BLTMMDCH3MD | 11/09/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PERRYVILLE | NOCLLIKNOWN | 05/06/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | PERRYVILLE | NOCLLIKNOWN | 12/16/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PERRYVILLE | NOCLLIKNOWN | 06/21/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 02/10/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 05/18/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 02/29/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-618-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | PERRYVILLE | NOCLLIKNOWN | 01/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-620 | |||||||
| 410-620-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | 02/09/2016 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-620-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 08/12/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-622 | |||||||
| 410-622-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 08/15/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-622-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/18/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDCG0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 1AESS LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-624 | |||||||
| 410-624-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDCG0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 1AESS LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDCG0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 1AESS LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 05/12/2004 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDCG0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 1AESS LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDCG0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 1AESS LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 09/01/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/15/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 10/05/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/15/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-624-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/15/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-625 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-626 | |||||||
| 410-626-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ANNAPOLIS | ANNPMDANDS0 | N/A | Prefix Type: CLEC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-626-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-627 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-628 | |||||||
| 410-628-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-628-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | BLTMMDSNDS5 | 08/03/2018 | Prefix Type: WIRELESS Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CHASE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-630-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | CHASE | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSN5MD | 11/15/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CHASE | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSNDS5 | 07/19/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHASE | NOCLLIKNOWN | 01/16/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSNDS5 | 07/19/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSN5MD | 07/19/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSN5MD | 07/19/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSN5MD | 11/15/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-630-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CHASE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-631-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | NOCLLIKNOWN | 09/14/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-631-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | N/A | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-633 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | DNDLMDDNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DUNDALK Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NEWWINDSOR | NWWNMDNWRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NEW WINDSOR Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-635-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NEWWINDSOR | NOCLLIKNOWN | 07/19/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NEWWINDSOR | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NEWWINDSOR | NWWNMDNWRS0 | N/A | Prefix Type: RBOC Switch Name: NEW WINDSOR Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NEWWINDSOR | NWWNMDNWRS0 | N/A | Prefix Type: RBOC Switch Name: NEW WINDSOR Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NEWWINDSOR | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-5 | MD | PAETEC ITEL, LLC | 829J | NEWWINDSOR | CLMAMDJTDS0 | 01/15/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NEWWINDSOR | NWWNMDNWRS0 | N/A | Prefix Type: RBOC Switch Name: NEW WINDSOR Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-7 | MD | PAETEC ITEL, LLC | 829J | NEWWINDSOR | BLTMMDCH14Z | 01/05/2010 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | NEWWINDSOR | NWWNMDNWRS0 | N/A | Prefix Type: RBOC Switch Name: NEW WINDSOR Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-635-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NEWWINDSOR | NOCLLIKNOWN | 07/19/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-636 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BRYNPKLNCM | BRKLMDBKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-637-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-637-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-638 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-640 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | BALTIMORE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-642-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 06/16/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | PERRYVILLE | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | PERRYVILLE | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-642-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PERRYVILLE | BNBRMDBRRS0 | N/A | Prefix Type: RBOC Switch Name: PORT DEPOSIT Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-644 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-645-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WOODLAWN | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WOODLAWN | NOCLLIKNOWN | 03/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | WOODLAWN | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WOODLAWN | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-5 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | WOODLAWN | NOCLLIKNOWN | 05/03/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WOODLAWN | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WOODLAWN | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WOODLAWN | NOCLLIKNOWN | 08/01/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-645-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-646-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | N/A | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 12/17/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-646-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | ARBTMDARDS0 | 04/15/2019 | Prefix Type: CLEC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-647 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-649-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-4 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-7 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-8 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-649-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DUNDALK | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-650-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | DUNDALK | NOCLLIKNOWN | 03/03/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-1 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | DUNDALK | NOCLLIKNOWN | 05/18/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | DUNDALK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | DUNDALK | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | DUNDALK | NOCLLIKNOWN | 04/13/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DUNDALK | NOCLLIKNOWN | 10/20/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | DUNDALK | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | DUNDALK | NOCLLIKNOWN | 05/03/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | DUNDALK | NOCLLIKNOWN | 03/03/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-650-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DUNDALK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-652 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BEL AIR | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-653 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-654 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-655 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | RANDALLSTN | RNTWMDRADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: RANDALLSTOWN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | NORTH EAST | BLTMMDCH47Z | 05/30/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-656-0 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | NORTH EAST | BLTMMDCH47Z | 05/30/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 05/24/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 12/13/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | NORTH EAST | BLTOMDKHDS0 | 10/08/2010 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-5 | MD | PAETEC ITEL, LLC | 829J | NORTH EAST | BLTMMDCH14Z | 04/28/2009 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | NORTH EAST | NOCLLIKNOWN | 09/11/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | NORTH EAST | NOCLLIKNOWN | 12/18/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 02/13/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-656-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PARKVILLE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-657-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKVILLE | NOCLLIKNOWN | 04/20/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PARKVILLE | BLTOMDKHDS0 | 05/01/2018 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 04/20/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PARKVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKVILLE | NOCLLIKNOWN | 03/01/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 04/20/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKVILLE | NOCLLIKNOWN | 03/01/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 08/30/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-657-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PARKVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-658 | MD | ARMSTRONG TEL. CO. OF MARYLAND | 0216 | RISING SUN | RSSNMDXRDS0 | 00/00/0000 | Prefix Type: ICO Switch Name: RISING SUN Switch Type: Stromberg Carlson DCO Digital LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-659 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/31/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-660-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/02/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/02/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELKRIDGE | NOCLLIKNOWN | 01/22/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 10/15/2009 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | ELKRIDGE | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 12/13/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 12/13/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 12/13/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 10/15/2009 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-660-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 08/04/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-661 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PKVLMDPKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-662-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/15/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 09/07/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-662-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-663 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PKVLMDPKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-664 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDLBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-665 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PKVLMDPKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-666 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-667 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-668 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PKVLMDPKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-669 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | EDGEWOOD | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-670-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | EDGEWOOD | NOCLLIKNOWN | 04/20/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | EDGEWOOD | BLTMMDCHFMD | 12/31/2019 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | EDGEWOOD | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | EDGEWOOD | BLTMMDCHXFX | 05/09/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | EDGEWOOD | NOCLLIKNOWN | 01/27/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 07/16/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | EDGEWOOD | BLTMMDCHFMD | 03/20/2020 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | EDGEWOOD | NOCLLIKNOWN | 01/26/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | EDGEWOOD | NOCLLIKNOWN | 04/13/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-670-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | EDGEWOOD | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-671-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | EDGEWOOD | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | EDGEWOOD | BLTMMDCHFMD | 07/28/2020 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | EDGEWOOD | BLTMMDCHXFX | 06/08/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-3 | MD | TERRA NOVA TELECOM INC. | 145J | EDGEWOOD | NOCLLIKNOWN | 08/14/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-4 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | EDGEWOOD | BLTMMDCHXFX | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 11/02/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | EDGEWOOD | BLTMMDCHFMD | 12/12/2019 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-671-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | N/A | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-672-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-672-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ODENTON | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-674 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDONDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-675 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-676 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | EDWDMDEGDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-678 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ELKRIDGE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-679 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | EDWDMDEGDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-680-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-1 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELLICOTTCY | NOCLLIKNOWN | 01/14/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELLICOTTCY | NOCLLIKNOWN | 01/14/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-5 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-6 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 09/15/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELLICOTTCY | NOCLLIKNOWN | 10/30/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-680-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELLICOTTCY | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-681 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-682-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ESSEX | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ESSEX | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ESSEX | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-682-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-683-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | COCKEYSVL | NOCLLIKNOWN | 09/01/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDCKDS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | CYVLMDCKDS0 | 08/03/2018 | Prefix Type: WIRELESS Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-683-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COCKEYSVL | CYVLMDCKDS0 | 08/03/2018 | Prefix Type: WIRELESS Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-684-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | FPATMDFRDS0 | 08/01/2019 | Prefix Type: WIRELESS Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENBURNIE | NOCLLIKNOWN | 10/24/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 04/06/2015 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-684-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 07/18/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-685 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-686 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-687 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-688 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-689-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-4 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 05/19/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-7 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | GLENBURNIE | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 10/17/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-689-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 08/02/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-691-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | GLENBURNIE | NOCLLIKNOWN | 07/17/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-8 | MD | PAETEC ITEL, LLC | 829J | GLENBURNIE | BLTMMDCHW29 | 02/03/2003 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-691-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-692-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-1 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | JARRETTSVL | NOCLLIKNOWN | 05/20/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | JARRETTSVL | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-4 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | JARRETTSVL | NOCLLIKNOWN | 08/11/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | JARRETTSVL | NOCLLIKNOWN | 08/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-692-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-693 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-694-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 07/18/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | FPATMDFRDS0 | 05/11/2018 | Prefix Type: CLEC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-694-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-695-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ODENTON | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 03/31/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 03/31/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ODENTON | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 07/05/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-695-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | ODENTON | NOCLLIKNOWN | 04/20/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELLICOTTCY | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-696-0 | MD | IP HORIZON LLC | 515J | ELLICOTTCY | NOCLLIKNOWN | 05/03/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELLICOTTCY | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELLICOTTCY | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELLICOTTCY | BLTOMDKHDS0 | 06/06/2005 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 09/29/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 02/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-6 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | ELLICOTTCY | NOCLLIKNOWN | 01/04/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 05/06/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 01/30/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-696-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ELLICOTTCY | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | MILLERSVL | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-697-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | MILLERSVL | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | MILLERSVL | NOCLLIKNOWN | 05/29/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-2 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | MILLERSVL | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | MILLERSVL | NOCLLIKNOWN | 06/30/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | MILLERSVL | NOCLLIKNOWN | 01/16/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | MILLERSVL | NOCLLIKNOWN | 07/18/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILLERSVL | BLTMMDSN5MD | 12/13/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILLERSVL | BLTMMDSN5MD | 12/13/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-8 | MD | PAETEC ITEL, LLC | 829J | MILLERSVL | BLTMMDCH14Z | 03/07/2006 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-697-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | MILLERSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | FORK | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-698-0 | MD | PAETEC ITEL, LLC | 829J | FORK | HNVAMDBHAMD | 02/03/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FORK | NOCLLIKNOWN | 03/14/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | FORK | CLMAMDORGT0 | 04/21/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | FORK | CLMAMDORGT0 | 04/21/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FORK | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | FORK | CLMAMDORGT0 | 06/22/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FORK | NOCLLIKNOWN | 12/16/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | FORK | CLMAMDORGT0 | 08/18/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | FORK | CLMAMDORGT0 | 08/18/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-698-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | FORK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | RANDALLSTN | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-701-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | RANDALLSTN | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-1 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | RANDALLSTN | NOCLLIKNOWN | 01/23/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | RANDALLSTN | NOCLLIKNOWN | 03/10/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | RANDALLSTN | NOCLLIKNOWN | 03/10/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | RANDALLSTN | RNTWMDRADS0 | 04/09/2003 | Prefix Type: RBOC Switch Name: RANDALLSTOWN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-5 | MD | PAETEC ITEL, LLC | 829J | RANDALLSTN | CLMAMDJTDS0 | 06/08/2005 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-6 | MD | PAETEC ITEL, LLC | 829J | RANDALLSTN | CLMAMDJTDS0 | 04/02/2009 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | RANDALLSTN | BLTOMDXIDS0 | 02/11/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | RANDALLSTN | BLTOMDXIDS0 | 06/19/2007 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-701-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | RANDALLSTN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | REISTERSTN | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-702-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | REISTERSTN | CLMAMDORGT0 | 06/30/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-1 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | REISTERSTN | NOCLLIKNOWN | 04/24/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | REISTERSTN | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | REISTERSTN | CLMAMDORGT0 | 06/30/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | REISTERSTN | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | REISTERSTN | NOCLLIKNOWN | 01/05/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-6 | MD | PAETEC ITEL, LLC | 829J | REISTERSTN | BLTMMDCHW29 | 08/10/2009 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | REISTERSTN | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | REISTERSTN | BLTMMDCHFMD | 09/07/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-702-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | REISTERSTN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-703 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-704 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-706 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-707 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SPARROWSPT | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-709-0 | MD | TELNYX LLC | 073H | SPARROWSPT | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SPARROWSPT | NOCLLIKNOWN | 09/10/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SPARROWSPT | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SPARROWSPT | NOCLLIKNOWN | 02/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARROWSPT | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-5 | MD | PAETEC ITEL, LLC | 829J | SPARROWSPT | CLMAMDJTDS0 | 09/29/2008 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARROWSPT | NOCLLIKNOWN | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARROWSPT | NOCLLIKNOWN | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SPARROWSPT | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-709-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SPARROWSPT | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 10/03/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-710-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 12/08/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 12/08/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 12/08/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 12/08/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 12/08/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 12/08/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | CLMAMDJTDS0 | 12/27/2005 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 01/06/2006 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 01/06/2006 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-710-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCHXWY | 10/10/2005 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-712 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDPKRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKWAY Switch Type: NTDMSRSC LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-715 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-716-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/09/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/09/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/09/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/07/2025 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-716-9 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | TOWSON | NOCLLIKNOWN | 09/24/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELKRIDGE | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-717-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELKRIDGE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-1 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELKRIDGE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 09/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELKRIDGE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ELKRIDGE | NOCLLIKNOWN | 09/07/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 11/27/2009 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELKRIDGE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 11/27/2009 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-717-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ELKRIDGE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-718-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-718-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-719 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-720-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELLICOTTCY | NOCLLIKNOWN | 07/18/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-720-9 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 07/24/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-721 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CROFTON | COTNMDCRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CROFTON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-727 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-728 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-729-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERN | NOCLLIKNOWN | 02/17/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-729-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-730 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-731 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ANNAPOLIS | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-732 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-733 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-734-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHURCHVL | NOCLLIKNOWN | 02/06/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | CHURCHVL | NOCLLIKNOWN | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | CHURCHVL | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-8 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | CHURCHVL | NOCLLIKNOWN | 08/11/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-734-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CHURCHVL | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-735-0 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-1 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-3 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLARMDBLDS0 | 08/29/2003 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-5 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLARMDBLDS0 | 08/12/2003 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLARMDBLDS0 | 08/12/2003 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-735-9 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-736-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-736-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-737 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ARBUTUS | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-740 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MRBOMDMBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 15 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-741-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MRBOMDMBDS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 15 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MRBOMDMBDS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 15 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WEST RIVER | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WEST RIVER | BLTMMDSN5MD | 06/16/2004 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | WEST RIVER | NOCLLIKNOWN | 12/13/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MRBOMDMBDS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 15 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MRBOMDMBDS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 15 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-7 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | WEST RIVER | NOCLLIKNOWN | 05/27/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-8 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | WEST RIVER | NOCLLIKNOWN | 07/05/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-741-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MRBOMDMBDS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 15 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-743 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | BALTIMORE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-744 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-746 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-747 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-748 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ELLICOTTCY | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-750 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-751 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-752 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-753-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PIKESVILLE | NOCLLIKNOWN | 12/16/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | PIKESVILLE | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PIKESVILLE | NOCLLIKNOWN | 01/27/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-5 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | PIKESVILLE | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | 08/25/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-7 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | PIKESVILLE | NOCLLIKNOWN | 10/13/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-8 | MD | PAETEC ITEL, LLC | 829J | PIKESVILLE | CLMAMDJTDS0 | 02/03/2003 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-753-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-756-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | TANEYTOWN | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-7 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | TANEYTOWN | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | TANEYTOWN | NOCLLIKNOWN | 03/14/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-756-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TANEYTOWN | TNTWMDTNRS0 | N/A | Prefix Type: RBOC Switch Name: TANEYTOWN Switch Type: WECO 5ESS Remote (5B RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-757 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | STMRMDSMRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-759-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | ARBTMDARDS0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | ARBTMDARDS0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | NOCLLIKNOWN | 03/27/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-8 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | BALTIMORE | NOCLLIKNOWN | 12/07/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-759-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | ARBTMDARDS0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-760 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-761 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-762-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | GLENBURNIE | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-2 | MD | PAETEC ITEL, LLC | 829J | GLENBURNIE | CLMAMDJTDS0 | 10/20/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 01/30/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 12/16/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | GLENBURNIE | NOCLLIKNOWN | 02/27/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 01/02/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-762-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 01/02/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-764 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | PIVLMDPKDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: PIKESVILLE Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-765 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-766 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-767 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDMDDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-768 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-769-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-769-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-771 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | MANRMDMNRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPARKS-GLENCOE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-772-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | COLUMBIA | BLTMMDCHFMD | 06/09/2015 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-772-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-773-0 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | COCKEYSVL | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | COCKEYSVL | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-773-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | COCKEYSVL | NOCLLIKNOWN | 04/13/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CROFTON | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-774-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | NOCLLIKNOWN | 02/23/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | NOCLLIKNOWN | 02/23/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-2 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | CROFTON | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | CROFTON | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | NOCLLIKNOWN | 02/01/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CROFTON | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CROFTON | COTNMDCRDS0 | 09/19/2005 | Prefix Type: RBOC Switch Name: CROFTON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-8 | MD | PAETEC ITEL, LLC | 829J | CROFTON | CLMAMDJTDS0 | 02/03/2003 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-774-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CROFTON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | UNION BDG | UNBRMDUBRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: UNION BRIDGE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-775-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | UNION BDG | UNBRMDUBRS0 | N/A | Prefix Type: RBOC Switch Name: UNION BRIDGE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | UNION BDG | UNBRMDUBRS0 | N/A | Prefix Type: RBOC Switch Name: UNION BRIDGE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | UNION BDG | UNBRMDUBRS0 | N/A | Prefix Type: RBOC Switch Name: UNION BRIDGE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-3 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | UNION BDG | NOCLLIKNOWN | 04/12/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | UNION BDG | NOCLLIKNOWN | 01/09/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | UNION BDG | NOCLLIKNOWN | 02/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | UNION BDG | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | UNION BDG | UNBRMDUBRS0 | N/A | Prefix Type: RBOC Switch Name: UNION BRIDGE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | UNION BDG | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-775-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | UNION BDG | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BEL AIR | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-776-0 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | BEL AIR | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 08/16/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BEL AIR | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BEL AIR | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 08/16/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 08/16/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BEL AIR | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-7 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | 03/09/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 08/16/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-776-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 08/16/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-777-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 09/26/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 09/26/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-777-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-779-0 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-1 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-4 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 01/05/2010 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-5 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/12/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-779-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | BLTMMDSN6MD | 03/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-780 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | SYVLMDSKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-781-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELLICOTTCY | NOCLLIKNOWN | 02/25/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-2 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | ELLICOTTCY | NOCLLIKNOWN | 04/17/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELLICOTTCY | NOCLLIKNOWN | 03/20/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-5 | MD | BARR TELL USA, INC. | 964H | ELLICOTTCY | NOCLLIKNOWN | 11/18/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | SYVLMDSKDS0 | N/A | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 04/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-781-9 | MD | TERRA NOVA TELECOM INC. | 145J | ELLICOTTCY | NOCLLIKNOWN | 01/08/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDPKRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKWAY Switch Type: NTDMSRSC LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-782-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELKRIDGE | NOCLLIKNOWN | 03/13/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 05/01/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKWAY Switch Type: NTDMSRSC LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELKRIDGE | NOCLLIKNOWN | 01/16/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-4 | MD | PAETEC ITEL, LLC | 829J | ELKRIDGE | BLTMMDCHW29 | 02/03/2003 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 05/01/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-6 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | ELKRIDGE | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKWAY Switch Type: NTDMSRSC LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDPKRS0 | N/A | Prefix Type: RBOC Switch Name: PARKWAY Switch Type: NTDMSRSC LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-782-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKRIDGE | BLTMMDCH40Z | 07/17/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-783 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-785 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COCKEYSVL | CYVLMDDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-786 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-787 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-788 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-789 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BRYNPKLNCM | BRKLMDBKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BROOKLYN Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-790 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | COTNMDCRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CROFTON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-793-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | COTNMDCRDS0 | N/A | Prefix Type: RBOC Switch Name: CROFTON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 01/12/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SEVERNA PK | NOCLLIKNOWN | 11/13/2023 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SEVERNA PK | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-8 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | HNVAMDBHAMD | 02/03/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-793-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SEVERNA PK | NOCLLIKNOWN | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-794-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-1 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-2 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-3 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-5 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | COLUMBIA | NOCLLIKNOWN | 04/17/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 05/02/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-8 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-794-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | COLUMBIA | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-795 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-796-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-796-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKRIDGE | EKRGMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-798 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MAYOMDMYRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-799 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WATERLO238 | EKRGMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKRIDGE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 10/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-800-0 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 10/06/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/25/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/10/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-4 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 08/15/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 04/14/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 04/14/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 08/02/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 08/02/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-800-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/25/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-801-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/16/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 01/29/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 03/27/2017 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 03/27/2017 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 03/27/2017 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 06/27/2019 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | NOCLLIKNOWN | 07/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 01/31/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | BLTOMDKHDS0 | 05/22/2018 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-801-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | NOCLLIKNOWN | 07/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-802 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-803-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 09/20/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 07/05/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 07/05/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-803-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-804 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/25/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-805 | |||||||
| 410-805-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-805-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 08/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-806 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | CATONSVL | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-807-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | CATONSVL | NOCLLIKNOWN | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-4 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | CATONSVL | NOCLLIKNOWN | 04/17/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | CATONSVL | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | CATONSVL | NOCLLIKNOWN | 03/13/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-807-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | CATONSVL | NOCLLIKNOWN | 03/13/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-808-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-808-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | FALLSTON | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-809-0 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-1 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BEL AIR | BLTOMDKHDS0 | 04/08/2005 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-3 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-4 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-5 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | 05/11/2005 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-7 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-8 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-809-9 | MD | PAETEC ITEL, LLC | 829J | BEL AIR | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-812 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 09/30/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-814-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 12/09/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 11/23/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 10/04/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-3 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 10/04/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-4 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 10/04/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-5 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 10/04/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 10/04/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | HNVAMDBHAMD | 10/04/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/06/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-814-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/06/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-816-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | TOWSON | NOCLLIKNOWN | 09/24/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-1 | MD | BARR TELL USA, INC. | 964H | TOWSON | NOCLLIKNOWN | 11/18/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 12/05/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/17/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/17/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/17/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/17/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/17/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-816-9 | MD | TELNYX LLC | 073H | TOWSON | NOCLLIKNOWN | 03/02/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-817-0 | MD | TERRA NOVA TELECOM INC. | 145J | FORK | NOCLLIKNOWN | 01/17/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 07/22/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 07/22/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 03/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-817-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | FORKMDFKRS1 | N/A | Prefix Type: RBOC Switch Name: FORK Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | CATONSVL | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-818-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | CATONSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | CATONSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-5 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | CATONSVL | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-818-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-821 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-823 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-825 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/19/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-826 | |||||||
| 410-826-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-826-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | BLTMMDCH42Z | 11/23/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-828 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-830 | |||||||
| 410-830-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 11/02/2004 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 04/06/2005 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-830-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 04/06/2005 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-832 | |||||||
| 410-832-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 12/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-832-9 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | TOWSON | TWSNMDTWDS0 | 09/24/2024 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-833 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | RSTWMDRSDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-836 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-837 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-838 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BEL AIR | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-839 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-840 | |||||||
| 410-840-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-1 | MD | TERRA NOVA TELECOM INC. | 145J | REISTERSTN | WMNSMDWMDS0 | 12/30/2020 | Prefix Type: IPES Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-6 | MD | PAETEC ITEL, LLC | 829J | REISTERSTN | BLTMMDCHW29 | 11/16/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | REISTERSTN | NOCLLIKNOWN | 12/05/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-840-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-841 | |||||||
| 410-841-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | SEVERNA PK | BLTMMDCHXUX | 05/01/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 02/11/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 09/26/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-841-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 09/26/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-842 | |||||||
| 410-842-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-842-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-843 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 09/30/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-844 | |||||||
| 410-844-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 10/06/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 10/06/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-4 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-6 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-7 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-844-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | BALTIMORE | BLTQMD01DS0 | 10/04/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERN | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-846 | |||||||
| 410-846-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 02/02/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 06/07/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 07/16/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 11/08/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SEVERN | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-6 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | SEVERN | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-7 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | SEVERN | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | SEVERN | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-846-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-847-0 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | TOWSON | NOCLLIKNOWN | 09/24/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | TOWSON | NOCLLIKNOWN | 01/29/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 11/11/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 11/11/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-7 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | TOWSON | NOCLLIKNOWN | 02/26/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-8 | MD | TERRA NOVA TELECOM INC. | 145J | TOWSON | NOCLLIKNOWN | 07/01/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-847-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-848 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SHERWD FOR | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-849-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SHERWD FOR | NOCLLIKNOWN | 04/14/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | SHERWD FOR | NOCLLIKNOWN | 07/05/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SHERWD FOR | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SHERWD FOR | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-4 | MD | PAETEC ITEL, LLC | 829J | SHERWD FOR | CLMAMDJTDS0 | 01/15/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SHERWD FOR | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | SHERWD FOR | NOCLLIKNOWN | 05/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SHERWD FOR | NOCLLIKNOWN | 06/30/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SHERWD FOR | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-849-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SHERWD FOR | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-850 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-851 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-852 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-853-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-853-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-855-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 07/18/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 03/21/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 03/21/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 03/21/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | NOCLLIKNOWN | 07/22/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 06/02/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-855-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | CYVLMDDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-856-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-1 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 03/25/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: RBOC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: CLEC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: CLEC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: CLEC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-856-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | CYVLMDDADS0 | N/A | Prefix Type: CLEC Switch Name: COCKEYSVILLE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-857 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANPS0 | 03/11/2005 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-858-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 01/06/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 01/06/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 01/23/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ANNAPOLIS | NOCLLIKNOWN | 09/30/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 08/23/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 06/02/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-858-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANPS0 | 03/16/2005 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-859 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | RSTWMDRSDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-861-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WESTMINSTR | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-1 | MD | PAETEC ITEL, LLC | 829J | WESTMINSTR | HNVAMDBHAMD | 01/10/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WESTMINSTR | BLTOMDKHDS0 | 01/16/2007 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | WESTMINSTR | BLTMMDCH40Z | 07/07/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-4 | MD | PAETEC ITEL, LLC | 829J | WESTMINSTR | HNVAMDBHAMD | 04/14/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 01/06/2009 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 01/09/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 04/17/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-861-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | RSTWMDRSDS0 | N/A | Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-863-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | GLBRMDGLDS0 | N/A | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | GLBRMDGLDS0 | 04/08/2020 | Prefix Type: WIRELESS Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-863-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | GLBRMDGLDS0 | 04/08/2020 | Prefix Type: WIRELESS Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-864-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 08/15/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-864-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-865-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | FPATMDFRDS0 | 08/01/2019 | Prefix Type: WIRELESS Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-865-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 06/17/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-866 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | BLTMMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRANKFORD Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-867-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WEST RIVER | BLTOMDKHDS0 | 02/14/2006 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-867-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | GLVLMDGLRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-868 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-869-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | CATONSVL | BLTMMDCH40Z | 10/06/2021 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/24/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-869-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | CATONSVL | CTVLMDCTDS0 | N/A | Prefix Type: RBOC Switch Name: CATONSVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-870-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 02/14/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-1 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 05/22/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 05/22/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 02/25/2009 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 08/22/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 09/15/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 02/25/2009 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 03/30/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 05/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-870-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 09/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-871-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-4 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | WESTMINSTR | NOCLLIKNOWN | 10/20/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 10/07/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WESTMINSTR | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WESTMINSTR | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WESTMINSTR | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-871-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WESTMINSTR | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-872 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ODENTON | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-874-0 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ODENTON | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ODENTON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-2 | MD | PAETEC ITEL, LLC | 829J | ODENTON | BLTMMDCH14Z | 05/31/2006 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 08/21/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-4 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ODENTON | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ODENTON | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ODENTON | BLTOMDKHDS0 | 08/18/2015 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 09/01/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 09/01/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-874-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ODENTON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-875-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SYKESVILLE | NOCLLIKNOWN | 09/09/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-8 | MD | PAETEC ITEL, LLC | 829J | SYKESVILLE | BLTMMDCH14Z | 02/27/2004 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-875-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | WMNSMDWMDS0 | N/A | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-876 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | REISTERSTN | WMNSMDWMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WESTMINSTER Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-877-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDKHBMD | 07/06/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDKHBMD | 07/06/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FALLSTON | NOCLLIKNOWN | 02/06/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-877-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FALLSTON | BLARMDBLDS0 | N/A | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-878-0 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 07/11/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-1 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BALTIMORE | NOCLLIKNOWN | 07/11/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 08/15/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/25/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 08/15/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 07/18/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-878-9 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 07/11/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-879 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | CCVLMDCHRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SHERWD FOR | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-881-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SHERWD FOR | NOCLLIKNOWN | 02/08/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | SHERWD FOR | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SHERWD FOR | NOCLLIKNOWN | 02/28/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SHERWD FOR | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SHERWD FOR | NOCLLIKNOWN | 04/16/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SHERWD FOR | NOCLLIKNOWN | 03/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | SHERWD FOR | NOCLLIKNOWN | 02/19/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SHERWD FOR | NOCLLIKNOWN | 12/14/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | SHERWD FOR | NOCLLIKNOWN | 09/17/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-881-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SHERWD FOR | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-882 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | PKVLMDPKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-884 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-887 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-889 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-890 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-891-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | 02/12/2010 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | COCKEYSVL | NOCLLIKNOWN | 02/06/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | COCKEYSVL | NOCLLIKNOWN | 05/14/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | COCKEYSVL | NOCLLIKNOWN | 03/31/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-891-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COCKEYSVL | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-892-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | GLENBURNIE | BLTMMDCH40Z | 07/18/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | GLENBURNIE | NOCLLIKNOWN | 11/09/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 10/17/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | GLENBURNIE | NOCLLIKNOWN | 01/11/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 06/23/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 06/23/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | GLENBURNIE | NOCLLIKNOWN | 02/23/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-892-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | GLENBURNIE | CLMAMDORGT0 | 03/20/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-893 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | BLARMDBLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BEL AIR Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-894 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-895 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-897-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 06/02/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 06/02/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-897-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-899 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | TOWSON | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCH14Z | 10/04/2004 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-900-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/28/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-1 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCH14Z | 10/05/2004 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/28/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/10/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 01/05/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 06/22/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-900-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 12/03/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-902 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-903-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-903-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WATERLO238 | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-904-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | NOCLLIKNOWN | 10/11/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | NOCLLIKNOWN | 10/11/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-2 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | WATERLO238 | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WATERLO238 | NOCLLIKNOWN | 03/06/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | WATERLO238 | NOCLLIKNOWN | 04/21/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WATERLO238 | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-8 | MD | TERRA NOVA TELECOM INC. | 145J | WATERLO238 | NOCLLIKNOWN | 01/09/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-904-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WATERLO238 | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-905-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-905-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-906 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | ARBTMDARDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ARBUTUS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-907-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WOODLAWN | NOCLLIKNOWN | 10/14/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | WOODLAWN | NOCLLIKNOWN | 03/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WOODLAWN | NOCLLIKNOWN | 03/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WOODLAWN | NOCLLIKNOWN | 03/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | WOODLAWN | NOCLLIKNOWN | 03/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-8 | MD | PAETEC ITEL, LLC | 829J | WOODLAWN | HNVAMDBHAMD | 02/23/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-907-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WOODLAWN | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-908-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-908-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-909 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ELKRIDGE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-910 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | COLUMBIA | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-913 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914 | MD | PAETEC ITEL, LLC | 829J | CHURCHVL | BLARMDBL1MD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-914-0 | MD | PAETEC ITEL, LLC | 829J | CHURCHVL | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | CHURCHVL | NOCLLIKNOWN | 05/26/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | CHURCHVL | NOCLLIKNOWN | 04/09/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-3 | MD | PAETEC ITEL, LLC | 829J | CHURCHVL | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHURCHVL | NOCLLIKNOWN | 09/10/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CHURCHVL | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-6 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | CHURCHVL | NOCLLIKNOWN | 05/12/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CHURCHVL | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CHURCHVL | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-914-9 | MD | PAETEC ITEL, LLC | 829J | CHURCHVL | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-915 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | BALTIMORE | LARLMDEH00T | 10/27/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-916 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-917 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-918-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-6 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ESSEX | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ESSEX | CLMAMDORGT0 | 04/28/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ESSEX | CLMAMDORGT0 | 04/28/2017 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-918-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ESSEX | ESSXMDEXDS0 | N/A | Prefix Type: RBOC Switch Name: ESSEX Switch Type: Northern Telecom DMS10S LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-919-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-5 | MD | TERRA NOVA TELECOM INC. | 145J | ANNAPOLIS | NOCLLIKNOWN | 10/18/2023 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 08/09/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-919-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-920 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ELKTON | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | SEVERN | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-921 | |||||||
| 410-921-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 08/04/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 01/03/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 01/03/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | SEVERN | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERN | BLTOMDXIDS0 | 07/01/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 07/22/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERN | BLTOMDXIDS0 | 08/07/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-921-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 01/31/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-922 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | RANDALLSTN | RNTWMDRADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: RANDALLSTOWN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-923 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | MILLERSVL | DRCRMDDCDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-925 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-926 | |||||||
| 410-926-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 02/05/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 02/05/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/27/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-926-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ODENTON | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-927 | |||||||
| 410-927-0 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ODENTON | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | ODENTON | NOCLLIKNOWN | 02/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-2 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ODENTON | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ODENTON | NOCLLIKNOWN | 02/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-4 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ODENTON | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 08/11/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 08/27/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-7 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ODENTON | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ODENTON | NOCLLIKNOWN | 10/12/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-927-9 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | ODENTON | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 05/13/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-929-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 05/14/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BALTIMORE | BLTMMDCH45Z | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 08/05/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | BALTIMORE | NOCLLIKNOWN | 09/14/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-929-9 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | BALTIMORE | NOCLLIKNOWN | 09/14/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-931 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | WHMRMDWMRS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-932 | MD | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | ELKRIDGE | HNVAMDAE3MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-933 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PARKVILLE | WHMRMDWMRS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: PARKVILLE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 01/27/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-934 | |||||||
| 410-934-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ANNAPOLIS | NOCLLIKNOWN | 06/18/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-1 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ANNAPOLIS | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 08/15/2013 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 02/06/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ANNAPOLIS | NOCLLIKNOWN | 05/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-5 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ANNAPOLIS | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-6 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | ANNAPOLIS | NOCLLIKNOWN | 09/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ANNAPOLIS | NOCLLIKNOWN | 02/18/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-934-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-935 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-937 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-938 | |||||||
| 410-938-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/27/2025 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | TOWSON | TWSNMDTWDS0 | 11/07/2018 | Prefix Type: PCS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | TOWSON | TWSNMDTWDS0 | N/A | Prefix Type: RBOC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-938-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 05/27/2025 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-939 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAVREGRACE | HDGRMDHVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: HAVRE DE GRACE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940 | MD | PAETEC ITEL, LLC | 829J | ANNAPOLIS | PHLAPAFGGT9 | 01/22/2002 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-940-0 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | ANNAPOLIS | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 12/26/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 12/26/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 09/08/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 09/16/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 09/16/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-6 | MD | PAETEC ITEL, LLC | 829J | ANNAPOLIS | PHLAPAFGGT9 | 01/30/2002 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 02/07/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 09/09/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-940-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 09/09/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | 08/21/2001 | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-941-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | JARRETTSVL | NOCLLIKNOWN | 05/19/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | JARRETTSVL | JRVLMDJERS0 | N/A | Prefix Type: RBOC Switch Name: JARRETTSVILLE Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | JARRETTSVL | NOCLLIKNOWN | 12/05/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | JARRETTSVL | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | JARRETTSVL | NOCLLIKNOWN | 01/16/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | JARRETTSVL | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | JARRETTSVL | NOCLLIKNOWN | 04/20/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | JARRETTSVL | BLTOMDKHDS0 | 12/09/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | JARRETTSVL | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-941-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | JARRETTSVL | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAVREGRACE | HDGRMDHVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: HAVRE DE GRACE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-942-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAVREGRACE | HDGRMDHVDS0 | N/A | Prefix Type: RBOC Switch Name: HAVRE DE GRACE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAVREGRACE | HDGRMDHVDS0 | N/A | Prefix Type: RBOC Switch Name: HAVRE DE GRACE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-2 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | 02/27/2004 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | HAVREGRACE | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-4 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | HAVREGRACE | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | HAVREGRACE | NOCLLIKNOWN | 09/24/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | HAVREGRACE | NOCLLIKNOWN | 08/27/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAVREGRACE | HDGRMDHVDS0 | N/A | Prefix Type: RBOC Switch Name: HAVRE DE GRACE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | HAVREGRACE | HDGRMDHVDS0 | N/A | Prefix Type: RBOC Switch Name: HAVRE DE GRACE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-942-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | HAVREGRACE | NOCLLIKNOWN | 02/06/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-944 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-945 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDRP0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-946-0 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | SEVERNA PK | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERNA PK | NOCLLIKNOWN | 01/25/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-2 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 07/24/2007 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 09/28/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | N/A | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 01/31/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 08/16/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 03/30/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-946-9 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 04/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-947 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDEDRP0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-948-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-948-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 03/01/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-949-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 02/13/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/08/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-949-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 09/07/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-951 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-952 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-953-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-953-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | COLUMBIA | BLTMMDCH03Z | 08/26/2010 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-954 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-955 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-956 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | MAYOMDMYRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-960 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-961-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-961-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-962 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-963-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-963-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-964 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-965 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-966 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WOODLAWN | WDLWMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WOODLAWN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-967 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-969 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | GLBRMDGLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GLEN BURNIE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SYKESVILLE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-970-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SYKESVILLE | NOCLLIKNOWN | 03/14/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-1 | MD | TERRA NOVA TELECOM INC. | 145J | SYKESVILLE | NOCLLIKNOWN | 12/30/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SYKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | SYKESVILLE | NOCLLIKNOWN | 04/21/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SYKESVILLE | NOCLLIKNOWN | 02/28/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-5 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | SYKESVILLE | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SYKESVILLE | NOCLLIKNOWN | 02/02/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SYKESVILLE | SYVLMDSKDS0 | 05/05/2004 | Prefix Type: RBOC Switch Name: SYKESVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-8 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | SYKESVILLE | NOCLLIKNOWN | 10/22/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-970-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SYKESVILLE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-971 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ANNAPOLIS | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-972-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ANNAPOLIS | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ANNAPOLIS | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ANNAPOLIS | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-4 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ANNAPOLIS | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 07/27/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 07/27/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 07/27/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 07/27/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-972-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 07/27/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-974 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | PARLMDPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 14 Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-975-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-4 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | BLTMMDCHW29 | 11/30/2007 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SEVERNA PK | NOCLLIKNOWN | 01/09/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-6 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 08/10/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 08/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-8 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 11/03/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-975-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERNA PK | SVPKMDSPDS0 | N/A | Prefix Type: RBOC Switch Name: SEVERNA PARK Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-976 | MD | MULTIPLE OCN LISTING | MULT | BALTIMORE | NOCLLIKNOWN | 00/00/0000 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-977-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-977-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-978 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-979 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-980-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 11/02/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 11/02/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 11/02/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 01/05/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 01/14/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 01/05/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 01/05/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 12/06/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 12/06/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-980-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 09/07/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-981-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENBURNIE | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | N/A | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-981-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | GLENBURNIE | NOCLLIKNOWN | 07/21/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | BALTIMORE | BLTMMD91DS2 | 10/13/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-982-0 | MD | QUANTUM TELECOMMUNICATIONS, INC. - MD | 2596 | BALTIMORE | BLTMMD91DS2 | 10/15/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 11/10/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 11/10/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 11/10/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 12/17/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 12/17/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-6 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 12/03/2004 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/01/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/01/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-982-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/01/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-983 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | CRDFMDCDRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-983-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | CRDFMDCDRS0 | N/A | Prefix Type: RBOC Switch Name: CARDIFF Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-983-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | FORK | CLMAMDORGT0 | 10/08/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-983-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 09/03/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-983-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 09/03/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-983-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 05/07/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-984-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-984-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-986 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-987 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | DRCRMDDCDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SEVERN Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLVLMDCEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-988-0 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 06/26/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-1 | MD | PAETEC ITEL, LLC | 829J | ELLICOTTCY | HNVAMDBHAMD | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 08/15/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 08/15/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ELLICOTTCY | NOCLLIKNOWN | 08/15/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELLICOTTCY | NOCLLIKNOWN | 09/25/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELLICOTTCY | NOCLLIKNOWN | 08/04/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-7 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 06/26/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELLICOTTCY | NOCLLIKNOWN | 10/30/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-988-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLVLMDCEDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | CCVLMDCHRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-989-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | FORK | CCVLMDCHRS0 | N/A | Prefix Type: RBOC Switch Name: CHURCHVILLE Switch Type: WECO 5ESS Remote (5A RSM) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 07/19/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 07/19/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/03/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 09/11/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/03/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/03/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/21/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/21/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-989-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 01/21/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-990 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ANNAPOLIS | ANNPMDANDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ANNAPOLIS Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-991 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-992-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-992-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | ELCYMDELDS0 | N/A | Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-993 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | GLENBURNIE | FPATMDFRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FRIENDSHIP Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | ABRDMDABDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-994-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | EDGEWOOD | ABRDMDABDS0 | N/A | Prefix Type: RBOC Switch Name: ABERDEEN Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-1 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | EDGEWOOD | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 05/17/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | EDGEWOOD | NOCLLIKNOWN | 02/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-4 | MD | PAETEC ITEL, LLC | 829J | EDGEWOOD | CLMAMDJTDS0 | 03/09/2005 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | EDGEWOOD | NOCLLIKNOWN | 02/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | EDGEWOOD | BLTMMDCHFMD | 09/11/2018 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 06/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | EDGEWOOD | NOCLLIKNOWN | 03/27/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-994-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | EDGEWOOD | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-995-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ELLICOTTCY | CLMAMDCBDS0 | 04/12/2019 | Prefix Type: CLEC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ELLICOTTCY | NOCLLIKNOWN | 04/12/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELLICOTTCY | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELLICOTTCY | NOCLLIKNOWN | 08/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELLICOTTCY | NOCLLIKNOWN | 04/22/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-995-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | ELLICOTTCY | NOCLLIKNOWN | 03/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 410-996-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ELKTON | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-996-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | ELKTON | EKTNMDEKDS0 | N/A | Prefix Type: RBOC Switch Name: ELKTON Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-997 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDCBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-998 | |||||||
| 410-998-0 | MD | TERRA NOVA TELECOM INC. | 145J | PIKESVILLE | NOCLLIKNOWN | 01/17/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-998-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | N/A | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | GLENBURNIE | LARLMDEH00T | 06/09/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 410-999 | |||||||
| 410-999-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | NOCLLIKNOWN | 11/02/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | NOCLLIKNOWN | 09/15/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-2 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | GLENBURNIE | LARLMDEH00T | 10/21/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-3 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | GLENBURNIE | LARLMDEH00T | 10/21/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-6 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | GLENBURNIE | LARLMDEH00T | 06/16/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | GLENBURNIE | BLTOMDKHBMD | 09/29/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENBURNIE | NOCLLIKNOWN | 05/04/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 410-999-9 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | GLENBURNIE | LARLMDEH00T | 06/16/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | 02/21/2001 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-200 | |||||||
| 443-200-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WOODLAWN | NOCLLIKNOWN | 07/25/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WOODLAWN | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WOODLAWN | NOCLLIKNOWN | 07/25/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-8 | MD | IP HORIZON LLC | 515J | WOODLAWN | NOCLLIKNOWN | 07/22/2021 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-200-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-201 | |||||||
| 443-201-0 | MD | IP HORIZON LLC | 515J | WESTMINSTR | NOCLLIKNOWN | 08/12/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WESTMINSTR | NOCLLIKNOWN | 05/06/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WESTMINSTR | NOCLLIKNOWN | 02/03/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 09/03/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 08/03/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-5 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | WESTMINSTR | BLTMMDDN2MD | 03/06/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 08/07/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | WESTMINSTR | NOCLLIKNOWN | 09/13/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 11/01/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-201-9 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 08/18/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/09/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-202 | |||||||
| 443-202-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-202-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/10/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MAYOMDMYRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-203 | |||||||
| 443-203-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WEST RIVER | MAYOMDMYRS1 | N/A | Prefix Type: RBOC Switch Name: WEST RIVER Switch Type: EXM LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WEST RIVER | NOCLLIKNOWN | 03/08/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WEST RIVER | BLTMMDSNDS5 | 05/21/2008 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-3 | MD | TERRA NOVA TELECOM INC. | 145J | WEST RIVER | BLTMMDSNDS5 | 05/29/2024 | Prefix Type: IPES Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WEST RIVER | NOCLLIKNOWN | 07/29/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WEST RIVER | NOCLLIKNOWN | 03/02/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WEST RIVER | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | WEST RIVER | BLTMMDDN2MD | 05/23/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WEST RIVER | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-203-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WEST RIVER | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 05/15/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-204 | |||||||
| 443-204-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 05/16/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 05/16/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 05/16/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 05/16/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 01/12/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 01/08/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 03/22/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 01/08/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 10/14/2003 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-204-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 03/17/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-206 | |||||||
| 443-206-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PERRYVILLE | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 02/06/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-206-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-207-0 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-1 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-2 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-3 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | 02/21/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-4 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | 11/07/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELKTON | BLTMMDCHXFX | 01/26/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-6 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | 12/03/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ELKTON | BLTMMDCHXFX | 02/08/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-207-9 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-208-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-208-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-209-0 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-1 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-3 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-4 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-5 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | 09/08/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | HAVREGRACE | NOCLLIKNOWN | 09/24/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | HAVREGRACE | BLTOMDKHDS0 | 12/09/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-8 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-209-9 | MD | PAETEC ITEL, LLC | 829J | HAVREGRACE | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212 | MD | PAETEC ITEL, LLC | 829J | SPARKSGLNC | CLMAMDJTDS0 | 00/00/0000 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-212-1 | MD | PAETEC ITEL, LLC | 829J | SPARKSGLNC | CLMAMDJTDS0 | 03/04/2003 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARKSGLNC | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-4 | MD | PAETEC ITEL, LLC | 829J | SPARKSGLNC | CLMAMDJTDS0 | 09/17/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SPARKSGLNC | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-6 | MD | TERRA NOVA TELECOM INC. | 145J | SPARKSGLNC | NOCLLIKNOWN | 03/10/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SPARKSGLNC | BLTOMDKHDS0 | 05/27/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SPARKSGLNC | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-212-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARKSGLNC | NOCLLIKNOWN | 04/21/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-213-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PIKESVILLE | NOCLLIKNOWN | 08/22/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PIKESVILLE | BLTMMDSNDS5 | 07/11/2006 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 08/13/2003 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | PIKESVILLE | OWMLMDOMDS0 | 08/13/2003 | Prefix Type: RBOC Switch Name: OWINGS MILLS Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 02/20/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | 06/13/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | PIKESVILLE | BLTOMDKHDS0 | 08/13/2003 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-7 | MD | PAETEC ITEL, LLC | 829J | PIKESVILLE | CLMAMDJTDSA | 11/25/2016 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PIKESVILLE | BLTMMDCHXFX | 06/16/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-213-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | PIKESVILLE | CLMAMDORGT0 | 02/20/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 10/11/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-214-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 01/26/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-1 | MD | IP HORIZON LLC | 515J | ANNAPOLIS | NOCLLIKNOWN | 08/12/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ANNAPOLIS | NOCLLIKNOWN | 02/18/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | ANNAPOLIS | NOCLLIKNOWN | 07/22/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 06/17/2013 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ANNAPOLIS | BLTMMDCHXFX | 09/06/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 09/12/2013 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ANNAPOLIS | BLTOMDKHDS0 | 12/08/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 01/24/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-214-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 01/24/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216 | MD | PAETEC ITEL, LLC | 829J | DUNDALK | HNVAMDBHAMD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-216-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | DUNDALK | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | DUNDALK | NOCLLIKNOWN | 05/31/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-2 | MD | PAETEC ITEL, LLC | 829J | DUNDALK | HNVAMDBHAMD | 10/22/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-3 | MD | PAETEC ITEL, LLC | 829J | DUNDALK | HNVAMDBHAMD | 10/22/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-4 | MD | PAETEC ITEL, LLC | 829J | DUNDALK | HNVAMDBHAMD | 10/22/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-5 | MD | PAETEC ITEL, LLC | 829J | DUNDALK | HNVAMDBHAMD | 10/22/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-6 | MD | PAETEC ITEL, LLC | 829J | DUNDALK | HNVAMDBHAMD | 10/22/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | DUNDALK | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | DUNDALK | CLMAMDORGT0 | 06/17/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-216-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DUNDALK | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-217 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ANNAPOLIS | BLTMMD91DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WORTHINGTN | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-218-0 | MD | TERRA NOVA TELECOM INC. | 145J | WORTHINGTN | NOCLLIKNOWN | 10/16/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WORTHINGTN | BLTOMDXIDS0 | 02/08/2006 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WORTHINGTN | NOCLLIKNOWN | 08/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-5 | MD | TELNYX LLC | 073H | WORTHINGTN | NOCLLIKNOWN | 07/14/2023 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WORTHINGTN | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WORTHINGTN | BLTOMDXIDS0 | 10/27/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WORTHINGTN | BLTMMDSN5MD | 07/11/2006 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-218-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | NOCLLIKNOWN | 03/31/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-219-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-1 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | 01/04/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | 01/12/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | 01/27/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | 02/15/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 09/14/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 03/25/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 03/25/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-219-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PARKVILLE | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-220-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS2 | N/A | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/18/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 07/15/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 07/15/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | BALTIMORE | NOCLLIKNOWN | 07/22/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 07/22/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 07/22/2003 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/18/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/18/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-220-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 12/18/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ANNAPOLIS | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-221-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ANNAPOLIS | BLTMMDSN6MD | 07/08/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ANNAPOLIS | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | ANNAPOLIS | CLMAMDORGT0 | 02/10/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ANNAPOLIS | BLTMMDSN6MD | 12/31/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ANNAPOLIS | BLTMMDCHXFX | 06/15/2011 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 07/05/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-221-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 07/05/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | BLTMMDCH42Z | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-222-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | BLTMMDCH42Z | 03/31/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | BLTMMDCH42Z | 03/31/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 03/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WORTHINGTN | NOCLLIKNOWN | 03/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | BLTMMDCH42Z | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-222-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | WORTHINGTN | BLTMMDCH42Z | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-223 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ANNAPOLIS | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-224-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 03/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | BALTIMORE | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-2 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | PIVLMDPKQMD | 06/21/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 03/10/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/30/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/30/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/30/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/30/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 11/04/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-224-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BALTIMORE | NOCLLIKNOWN | 07/18/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-226-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-226-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227 | MD | PAETEC ITEL, LLC | 829J | PT DEPOSIT | BLTMMDCH14Z | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-227-0 | MD | TELNYX LLC | 073H | PT DEPOSIT | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-1 | MD | PAETEC ITEL, LLC | 829J | PT DEPOSIT | BLTMMDCH14Z | N/A | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PT DEPOSIT | NOCLLIKNOWN | 06/13/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-3 | MD | HD CARRIER LLC | 321J | PT DEPOSIT | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | PT DEPOSIT | NOCLLIKNOWN | 02/18/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | PT DEPOSIT | NOCLLIKNOWN | 02/18/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-6 | MD | HD CARRIER LLC | 321J | PT DEPOSIT | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | PT DEPOSIT | BLTMMDDN2MD | 05/14/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-8 | MD | HD CARRIER LLC | 321J | PT DEPOSIT | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-227-9 | MD | HD CARRIER LLC | 321J | PT DEPOSIT | NOCLLIKNOWN | 04/20/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228 | MD | PAETEC ITEL, LLC | 829J | CHASE | CLMAMDJTDS0 | 00/00/0000 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-228-0 | MD | PAETEC ITEL, LLC | 829J | CHASE | CLMAMDJTDS0 | N/A | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-1 | MD | PAETEC ITEL, LLC | 829J | CHASE | CLMAMDJTDS0 | N/A | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CHASE | CLMAMDJTDS0 | 12/22/2020 | Prefix Type: CLEC Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHASE | BLTMMDSNDS5 | 11/15/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CHASE | NOCLLIKNOWN | 05/01/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CHASE | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-7 | MD | IP HORIZON LLC | 515J | CHASE | NOCLLIKNOWN | 05/03/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CHASE | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-228-9 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | CHASE | CLMAMDJTDS0 | 01/27/2021 | Prefix Type: WIRELESS Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | HNVAMDBHAMD | 05/10/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-229-0 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SEVERNA PK | NOCLLIKNOWN | 11/02/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-2 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 02/02/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-3 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-4 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 08/10/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERNA PK | NOCLLIKNOWN | 01/08/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-6 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 09/15/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-7 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | SEVERNA PK | NOCLLIKNOWN | 09/15/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-8 | MD | VONAGE AMERICA LLC | 197D | SEVERNA PK | NOCLLIKNOWN | 09/07/2022 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-229-9 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230 | MD | PAETEC ITEL, LLC | 829J | ODENTON | BLTMMDCH14Z | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-230-1 | MD | PAETEC ITEL, LLC | 829J | ODENTON | BLTMMDCH14Z | N/A | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | ODENTON | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ODENTON | NOCLLIKNOWN | 06/10/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ODENTON | NOCLLIKNOWN | 08/09/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | ODENTON | NOCLLIKNOWN | 03/16/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ODENTON | NOCLLIKNOWN | 10/31/2016 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | ODENTON | BLTMMDDN2MD | 05/27/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-8 | MD | IP HORIZON LLC | 515J | ODENTON | NOCLLIKNOWN | 12/07/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-230-9 | MD | IP HORIZON LLC | 515J | ODENTON | NOCLLIKNOWN | 02/23/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ESSEX | BLTMMDCHCMD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-231-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ESSEX | NOCLLIKNOWN | 02/01/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-1 | MD | PAETEC ITEL, LLC | 829J | ESSEX | CLMAMDJTDS0 | 04/04/2005 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ESSEX | BLTMMDCHCMD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ESSEX | NOCLLIKNOWN | 03/29/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ESSEX | NOCLLIKNOWN | 01/27/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ESSEX | BLTMMDCHXFX | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ESSEX | BLTMMDCHXFX | 05/22/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ESSEX | BLTMMDCHXFX | 05/22/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ESSEX | BLTMMDCHXWY | 07/26/2006 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-231-9 | MD | IP HORIZON LLC | 515J | ESSEX | NOCLLIKNOWN | 05/03/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-236 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | CARDIFF | BLTMMD91DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-237 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | NORTHBEACH | BLTMMD91DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238 | MD | PAETEC ITEL, LLC | 829J | PARKTON | BLTMMDCH14Z | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-238-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKTON | NOCLLIKNOWN | 02/08/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKTON | NOCLLIKNOWN | 02/24/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-2 | MD | PAETEC ITEL, LLC | 829J | PARKTON | BLTMMDCH14Z | N/A | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKTON | NOCLLIKNOWN | 02/24/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-4 | MD | TERRA NOVA TELECOM INC. | 145J | PARKTON | NOCLLIKNOWN | 01/08/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKTON | NOCLLIKNOWN | 09/03/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PARKTON | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | PARKTON | BLTMMDDN2MD | 05/14/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-8 | MD | TELNYX LLC | 073H | PARKTON | BLTMMDCHXTX | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-238-9 | MD | TERRA NOVA TELECOM INC. | 145J | PARKTON | NOCLLIKNOWN | 08/14/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/27/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-240-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-240-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 01/30/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-241 | MD | ONVOY, LLC - MD (Sinch) | 876D | WESTMINSTR | BLTMMDCH42Z | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242 | MD | PAETEC ITEL, LLC | 829J | SPARROWSPT | CLMAMDJTDS0 | 05/10/2001 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-242-0 | MD | PAETEC ITEL, LLC | 829J | SPARROWSPT | CLMAMDJTDS0 | N/A | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SPARROWSPT | NOCLLIKNOWN | 01/14/2021 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-2 | MD | PAETEC ITEL, LLC | 829J | SPARROWSPT | CLMAMDJTDS0 | 05/17/2007 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-3 | MD | PAETEC ITEL, LLC | 829J | SPARROWSPT | CLMAMDJTDS0 | N/A | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SPARROWSPT | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SPARROWSPT | NOCLLIKNOWN | 09/03/2020 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SPARROWSPT | NOCLLIKNOWN | 10/01/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SPARROWSPT | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SPARROWSPT | NOCLLIKNOWN | 07/22/2025 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-242-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | SPARROWSPT | NOCLLIKNOWN | 09/25/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-243 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WESTMINSTR | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-244-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 02/04/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 07/08/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 02/03/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 09/07/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WESTMINSTR | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 10/12/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | WESTMINSTR | NOCLLIKNOWN | 02/11/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 11/03/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-8 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | WESTMINSTR | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-244-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WESTMINSTR | BLTMMDSN6MD | 02/02/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-245-0 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-1 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | 12/03/2014 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-3 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-4 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-5 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-6 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-7 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-8 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-245-9 | MD | PAETEC ITEL, LLC | 829J | ELKTON | BLARMDBL1MD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-246 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ELKTON | BLTMMD91DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247 | MD | PAETEC ITEL, LLC | 829J | UNION BDG | BLTMMDCH14Z | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-247-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | UNION BDG | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-1 | MD | PAETEC ITEL, LLC | 829J | UNION BDG | BLTMMDCH14Z | N/A | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | UNION BDG | NOCLLIKNOWN | 02/06/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | UNION BDG | NOCLLIKNOWN | 04/03/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | UNION BDG | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | UNION BDG | NOCLLIKNOWN | 03/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | UNION BDG | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | UNION BDG | BLTMMDDN2MD | 05/23/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-8 | MD | TELNYX LLC | 073H | UNION BDG | NOCLLIKNOWN | 04/14/2017 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-247-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | UNION BDG | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/15/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-248-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 01/19/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/19/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 03/19/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 04/04/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 04/04/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/08/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/08/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/17/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/17/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-248-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 05/17/2007 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-250-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-250-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251 | MD | ONVOY, LLC - MD (Sinch) | 876D | CATONSVL | BLTMMDCH42Z | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-251-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | CATONSVL | BLTMMDCH42Z | 08/07/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-1 | MD | IP HORIZON LLC | 515J | CATONSVL | NOCLLIKNOWN | 08/20/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CATONSVL | NOCLLIKNOWN | 01/31/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | CATONSVL | BLTMMDCH42Z | 12/15/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | CATONSVL | BLTMMDCH42Z | 12/15/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CATONSVL | NOCLLIKNOWN | 08/11/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | CATONSVL | BLTMMDCH40Z | 11/13/2014 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | CATONSVL | BLTMMDDN2MD | 03/06/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | CATONSVL | BLTMMDCH40Z | 09/10/2014 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-251-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | CATONSVL | BLTMMDCH40Z | 11/12/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 09/08/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-252-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 09/14/2009 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 06/03/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PERRYVILLE | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PERRYVILLE | NOCLLIKNOWN | 02/10/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 04/04/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 08/19/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 12/20/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PERRYVILLE | BLTOMDKHBMD | 07/05/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | PERRYVILLE | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-252-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | PERRYVILLE | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-253 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-254 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ANNAPOLIS | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-255 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256 | MD | PAETEC ITEL, LLC | 829J | NORTH EAST | BLTMMDCH14Z | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-256-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | NORTH EAST | NOCLLIKNOWN | 06/20/2019 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-1 | MD | PAETEC ITEL, LLC | 829J | NORTH EAST | BLTMMDCH14Z | N/A | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | NORTH EAST | NOCLLIKNOWN | 03/07/2019 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 05/16/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | NORTH EAST | NOCLLIKNOWN | 08/27/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | NORTH EAST | NOCLLIKNOWN | 08/27/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 10/08/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | NORTH EAST | BLTMMDDN2MD | 05/27/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | NORTH EAST | NOCLLIKNOWN | 09/02/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-256-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | NORTH EAST | NOCLLIKNOWN | 10/08/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-257-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 07/02/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-257-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 07/02/2003 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-259-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-1 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-2 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-3 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-5 | MD | PAETEC ITEL, LLC | 829J | COLUMBIA | BLTMMDCHW29 | 08/23/2013 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-6 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDOBDS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: WECO 5ESS Host (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-259-9 | MD | PAETEC ITEL, LLC | 829J | COLUMBIA | BLTMMDCHW29 | 02/03/2003 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-261-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 08/26/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-1 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | CLMAMDJTDS0 | 03/25/2002 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-2 | MD | PAETEC ITEL, LLC | 829J | SEVERNA PK | CLMAMDJTDS0 | 07/26/2010 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERNA PK | BLTOMDKHDS0 | 09/11/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 08/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERNA PK | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 11/02/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 11/02/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SEVERNA PK | NOCLLIKNOWN | 11/02/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-261-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SEVERNA PK | NOCLLIKNOWN | 11/02/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-263 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDCHDS3 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHARLES STREET 2 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PIKESVILLE | BLTMMDCHYMD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-264-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | PIKESVILLE | BLTMMDCHXWY | 10/06/2021 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | PIKESVILLE | BLTMMDCHXWY | 10/06/2021 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PIKESVILLE | BLTMMDCHYMD | 03/14/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | PIKESVILLE | NOCLLIKNOWN | 05/02/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PIKESVILLE | NOCLLIKNOWN | 05/11/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PIKESVILLE | BLTMMDCHYMD | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PIKESVILLE | BLTMMDCHYMD | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PIKESVILLE | BLTMMDCHYMD | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-8 | MD | NUSO, LLC | 551G | PIKESVILLE | BLTMMDCHDMD | 06/25/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-264-9 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PIKESVILLE | BLTMMDCHYMD | 10/11/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265 | MD | PAETEC ITEL, LLC | 829J | FORK | HNVAMDBHAMD | 05/10/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-265-0 | MD | PAETEC ITEL, LLC | 829J | FORK | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-1 | MD | PAETEC ITEL, LLC | 829J | FORK | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 05/07/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-3 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | FORK | NOCLLIKNOWN | 01/27/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-5 | MD | PAETEC ITEL, LLC | 829J | FORK | HNVAMDBHAMD | N/A | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | FORK | NOCLLIKNOWN | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | FORK | BLTMMDDN2MD | 05/14/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-8 | MD | IP HORIZON LLC | 515J | FORK | NOCLLIKNOWN | 05/03/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-265-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | FORK | NOCLLIKNOWN | 12/10/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-266-0 | MD | TERRA NOVA TELECOM INC. | 145J | GLENWOOD | NOCLLIKNOWN | 08/14/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | BLTOMDXIDS0 | 12/06/2018 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | BLTOMDXIDS0 | 05/05/2015 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | BLTOMDXIDS0 | 03/03/2014 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | BLTOMDXIDS0 | 09/21/2010 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | GLENWOOD | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | GLENWOOD | BLTOMDXIDS0 | 06/21/2016 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-266-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | GLENWOOD | NOCLLIKNOWN | 09/11/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | DARLINGTON | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-267-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | DARLINGTON | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-1 | MD | PAETEC ITEL, LLC | 829J | DARLINGTON | CLMAMDJTDS0 | 01/15/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DARLINGTON | NOCLLIKNOWN | 07/19/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | DARLINGTON | BLTOMDKHDS0 | 12/09/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-4 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DARLINGTON | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | DARLINGTON | NOCLLIKNOWN | 11/29/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DARLINGTON | NOCLLIKNOWN | 07/05/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DARLINGTON | NOCLLIKNOWN | 02/10/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | DARLINGTON | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-267-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | DARLINGTON | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-268 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | BALTIMORE | BLTMMD91DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | TOWSON | BLTMMDCHYMD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-269-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 10/22/2019 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 09/14/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 12/11/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | TOWSON | BLTMMDCHYMD | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-4 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | TOWSON | BLTMMDCHYMD | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | TOWSON | BLTMMDCHYMD | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 10/22/2019 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | TOWSON | NOCLLIKNOWN | 05/30/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 08/29/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-269-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | TOWSON | TWSNMDTWDS0 | 09/14/2018 | Prefix Type: WIRELESS Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-270 | MD | PAETEC ITEL, LLC | 829J | GLENBURNIE | BLTMMDCHW29 | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 10/21/2002 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-271-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-271-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | RANDALLSTN | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-272-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | RANDALLSTN | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | RANDALLSTN | NOCLLIKNOWN | 11/03/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | RANDALLSTN | BLTOMDXIDS0 | 07/18/2014 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | RANDALLSTN | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | RANDALLSTN | NOCLLIKNOWN | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | RANDALLSTN | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | RANDALLSTN | BLTOMDXIDS0 | 09/10/2013 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | RANDALLSTN | BLTOMDXIDS0 | 03/27/2008 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-8 | MD | IP HORIZON LLC | 515J | RANDALLSTN | NOCLLIKNOWN | 02/23/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-272-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | RANDALLSTN | BLTMMDCH03Z | 03/20/2019 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | REISTERSTN | CLMAMDNIDS1 | 00/00/0000 | Prefix Type: CLEC Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-273-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | REISTERSTN | CLMAMDNIDS1 | N/A | Prefix Type: CLEC Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-1 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | REISTERSTN | NOCLLIKNOWN | 06/07/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | REISTERSTN | NOCLLIKNOWN | 02/20/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | REISTERSTN | NOCLLIKNOWN | 08/28/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | REISTERSTN | BLTMMDCHFMD | 09/04/2014 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | REISTERSTN | NOCLLIKNOWN | 09/12/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | REISTERSTN | BLTMMDCHFMD | 09/04/2014 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-7 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | REISTERSTN | BLTMMDDN2MD | 05/27/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-8 | MD | IP HORIZON LLC | 515J | REISTERSTN | NOCLLIKNOWN | 12/07/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-273-9 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | REISTERSTN | CLMAMDNIDS1 | N/A | Prefix Type: CLEC Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | ODTNMDPORS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-274-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SEVERN | NOCLLIKNOWN | 02/14/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-1 | MD | PAETEC ITEL, LLC | 829J | SEVERN | BLTMMDCHW29 | 09/29/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | SEVERN | NOCLLIKNOWN | 09/10/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SEVERN | BLTOMDKHDS0 | 09/11/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-4 | MD | ONVOY, LLC - MD (Sinch) | 876D | SEVERN | NOCLLIKNOWN | 02/06/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 03/25/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-6 | MD | PAETEC ITEL, LLC | 829J | SEVERN | BLARMDBL1MD | 06/08/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 03/25/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | SEVERN | NOCLLIKNOWN | 04/06/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-274-9 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | SEVERN | ODTNMDPORS2 | N/A | Prefix Type: RBOC Switch Name: ODENTON Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 00/00/0000 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-275-0 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 12/26/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-1 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 08/24/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 08/01/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 10/27/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | TOWSON | BLTOMDKHDS0 | 09/17/2012 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | TOWSON | BLTMMDCHXFX | 09/17/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 01/12/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-275-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | TOWSON | NOCLLIKNOWN | 02/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-276-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-3 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | COLUMBIA | NOCLLIKNOWN | 10/17/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-8 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | COLUMBIA | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-276-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-277-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SYKESVILLE | NOCLLIKNOWN | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | SYKESVILLE | NOCLLIKNOWN | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-277-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SYKESVILLE | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | BALTIMORE | LARLMDCCDS0 | 10/02/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-278-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 12/08/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 12/08/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | BALTIMORE | NOCLLIKNOWN | 12/08/2023 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 11/04/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 04/16/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 04/16/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 04/16/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-7 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | CLMAMDJTDS0 | 04/20/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-8 | MD | PAETEC ITEL, LLC | 829J | BALTIMORE | BLTMMDCHW29 | 07/18/2005 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-278-9 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | BALTIMORE | LARLMDCCDS0 | 10/03/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-279-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | TOWSON | CLMAMDORGT0 | 05/12/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-279-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOWSON | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-280-0 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SYKESVILLE | NOCLLIKNOWN | 05/31/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | SYKESVILLE | CLMAMDORGT0 | 09/02/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-280-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SYKESVILLE | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-281-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | COCKEYSVL | NOCLLIKNOWN | 09/21/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COCKEYSVL | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | COCKEYSVL | NOCLLIKNOWN | 07/27/2007 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-281-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | COCKEYSVL | NOCLLIKNOWN | 07/05/2017 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-283 | MD | PAETEC ITEL, LLC | 829J | COLUMBIA | BLTMMDCHW29 | 00/00/0000 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-284 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | BLTMMD91GT0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-284-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | WATERLO238 | NOCLLIKNOWN | 12/18/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-284-2 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | BLTMMD91GT0 | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-284-3 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | BLTMMD91GT0 | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-284-5 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | BLTMMD91GT0 | 05/23/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-284-6 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | BLTMMD91GT0 | 04/15/2019 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-284-7 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | WATERLO238 | BLTMMD91GT0 | 10/11/2018 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-285-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 04/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 09/07/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 08/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDSN5MD | N/A | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | BLTOMDKHBMD | 09/07/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-286 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BALTIMORE | BLTOMDKHBMD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-287 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | BALTIMORE | BLTMMDWLDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-288-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-3 | MD | YMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack)) | 281E | ELLICOTTCY | NOCLLIKNOWN | 09/15/2009 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-7 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-288-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELLICOTTCY | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WESTMINSTR | BLTOMDKHDS0 | 05/16/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-289-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDKHBMD | 09/02/2011 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WESTMINSTR | BLTOMDKHDS0 | 05/17/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | WESTMINSTR | BLTOMDKHDS0 | 05/17/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | WESTMINSTR | BLTMMDCH40Z | 09/28/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | WESTMINSTR | BLTMMDCH40Z | 09/28/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | WESTMINSTR | NOCLLIKNOWN | 09/28/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | WESTMINSTR | NOCLLIKNOWN | 09/28/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 10/26/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-289-9 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 02/07/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | PARKVILLE | BLTMMDDNDS2 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-290-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PARKVILLE | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-1 | MD | IP HORIZON LLC | 515J | PARKVILLE | NOCLLIKNOWN | 08/12/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-2 | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc) | 7591 | PARKVILLE | BLTMMDDNDS2 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKVILLE | NOCLLIKNOWN | 03/15/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-4 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PARKVILLE | BLTMMDCHXFX | 12/20/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | PARKVILLE | NOCLLIKNOWN | 09/11/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 03/03/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 07/18/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 03/03/2014 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-290-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PARKVILLE | NOCLLIKNOWN | 07/18/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | HAMPSTEAD | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-291-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | HAMPSTEAD | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | HAMPSTEAD | BLTOMDXIDS0 | 08/27/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-4 | MD | TERRA NOVA TELECOM INC. | 145J | HAMPSTEAD | NOCLLIKNOWN | 08/05/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | HAMPSTEAD | NOCLLIKNOWN | 02/08/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | HAMPSTEAD | NOCLLIKNOWN | 07/06/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | HAMPSTEAD | BLTOMDXIDS0 | 02/06/2006 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | HAMPSTEAD | NOCLLIKNOWN | 02/23/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-291-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | HAMPSTEAD | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-292-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | CROFTON | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | CROFTON | NOCLLIKNOWN | 07/05/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CROFTON | NOCLLIKNOWN | 09/15/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-3 | MD | PAETEC ITEL, LLC | 829J | CROFTON | CLMAMDJTDS0 | 09/17/2007 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-4 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CROFTON | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | BLTMMDSN6MD | 01/15/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CROFTON | NOCLLIKNOWN | 08/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-7 | MD | PAETEC ITEL, LLC | 829J | CROFTON | CLMAMDJTDS0 | 09/22/2010 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CROFTON | NOCLLIKNOWN | 11/30/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-292-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | CROFTON | NOCLLIKNOWN | 05/17/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-293-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | WESTMINSTR | NOCLLIKNOWN | 09/04/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WESTMINSTR | NOCLLIKNOWN | 10/06/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | WESTMINSTR | CLMAMDORGT0 | 01/10/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-3 | MD | PAETEC ITEL, LLC | 829J | WESTMINSTR | BLTMMDCHW29 | 07/03/2006 | Prefix Type: IPES Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDXIDS0 | 12/30/2025 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | WESTMINSTR | NOCLLIKNOWN | 08/24/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-6 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | WESTMINSTR | BLTOMDXIDS0 | 09/02/2011 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WESTMINSTR | NOCLLIKNOWN | 02/11/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-293-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTMINSTR | BLTMMDSN5MD | 05/02/2007 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WEST RIVER | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-294-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WEST RIVER | BLTOMDXIDS0 | 01/31/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WEST RIVER | BLTOMDXIDS0 | 06/07/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-4 | MD | TERRA NOVA TELECOM INC. | 145J | WEST RIVER | NOCLLIKNOWN | 04/08/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-5 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WEST RIVER | BLTOMDXIDS0 | 02/23/2021 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WEST RIVER | NOCLLIKNOWN | 06/25/2013 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | WEST RIVER | NOCLLIKNOWN | 09/13/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | WEST RIVER | NOCLLIKNOWN | 04/05/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-294-9 | MD | IP HORIZON LLC | 515J | WEST RIVER | NOCLLIKNOWN | 02/23/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PRINCEFRCK | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-295-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | PRINCEFRCK | NOCLLIKNOWN | 03/04/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-1 | MD | PAETEC ITEL, LLC | 829J | PRINCEFRCK | CLMAMDJTDS0 | 01/15/2004 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-2 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | PRINCEFRCK | NOCLLIKNOWN | 07/05/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | PRINCEFRCK | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-4 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PRINCEFRCK | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | PRINCEFRCK | BLTOMDKHBMD | 06/27/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PRINCEFRCK | BLTMMDSN6MD | 02/23/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PRINCEFRCK | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | PRINCEFRCK | NOCLLIKNOWN | 05/13/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-295-9 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | PRINCEFRCK | BLTMMDSN6MD | 02/01/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WATERLO238 | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-296-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | WATERLO238 | NOCLLIKNOWN | 11/08/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | WATERLO238 | NOCLLIKNOWN | 09/04/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-2 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | WATERLO238 | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | WATERLO238 | BLTOMDXIDS0 | 12/05/2005 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | WATERLO238 | NOCLLIKNOWN | 09/13/2012 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WATERLO238 | BLTMMDSN5MD | 06/12/2009 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-7 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | WATERLO238 | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WATERLO238 | BLTMMDSN5MD | 07/19/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-296-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WATERLO238 | BLTMMDSN5MD | 07/19/2005 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ARBUTUS | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-297-0 | MD | CORE COMMUNICATIONS, INC.- MD | 2593 | ARBUTUS | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-1 | MD | PAETEC ITEL, LLC | 829J | ARBUTUS | CLMAMDJTDS0 | 05/02/2012 | Prefix Type: IPES Switch Name: COLUMBIA Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 07/02/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-3 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | ARBUTUS | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ARBUTUS | BLTMMDCHFMD | 07/02/2013 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-5 | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 4492 | ARBUTUS | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-6 | MD | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 508J | ARBUTUS | BLTMMDDN2MD | 05/27/2014 | Prefix Type: IPES Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | NOCLLIKNOWN | 08/05/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARBUTUS | NOCLLIKNOWN | 12/28/2001 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-297-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-299-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 06/16/2025 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | FALLSTON | NOCLLIKNOWN | 09/18/2025 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 10/08/2004 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-3 | MD | TERRA NOVA TELECOM INC. | 145J | FALLSTON | NOCLLIKNOWN | 12/30/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-4 | MD | TERRA NOVA TELECOM INC. | 145J | FALLSTON | NOCLLIKNOWN | 04/08/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-5 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 06/28/2024 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | FALLSTON | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-7 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 12/06/2004 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-8 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 12/06/2004 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-299-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | FALLSTON | BLTOMDXIDS0 | 12/06/2004 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SYKESVILLE | BLTMMDSN6MD | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-300-0 | MD | ONVOY, LLC - MD (Sinch) | 876D | SYKESVILLE | NOCLLIKNOWN | 06/16/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | SYKESVILLE | NOCLLIKNOWN | 03/31/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | SYKESVILLE | BLTMMDSN6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | SYKESVILLE | BLTOMDKHDS0 | 09/11/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-4 | MD | ONVOY SPECTRUM, LLC (Sinch) | 624H | SYKESVILLE | NOCLLIKNOWN | 05/27/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-6 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SYKESVILLE | NOCLLIKNOWN | 01/26/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SYKESVILLE | NOCLLIKNOWN | 08/04/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SYKESVILLE | NOCLLIKNOWN | 09/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-300-9 | MD | ONVOY, LLC - MD (Sinch) | 876D | SYKESVILLE | NOCLLIKNOWN | 06/16/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/05/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-301-0 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | NOCLLIKNOWN | 09/06/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-1 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | BALTIMORE | NOCLLIKNOWN | 09/06/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-2 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-4 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-5 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-6 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-7 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-8 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-301-9 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 04/06/2012 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-302-0 | MD | TERRA NOVA TELECOM INC. | 145J | CROFTON | NOCLLIKNOWN | 09/16/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CROFTON | NOCLLIKNOWN | 02/19/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302-3 | MD | ONVOY, LLC - MD (Sinch) | 876D | CROFTON | NOCLLIKNOWN | 04/21/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | CROFTON | BLTOMDKHDS0 | 09/11/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | CROFTON | BLTOMDXIDS0 | 01/31/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302-8 | MD | ONVOY, LLC - MD (Sinch) | 876D | CROFTON | NOCLLIKNOWN | 04/21/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-302-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | CROFTON | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ABERDEEN | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-303-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 06/26/2025 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 06/26/2025 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ABERDEEN | BLTOMDXIDS0 | 11/10/2004 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications) | 7228 | ABERDEEN | BLTOMDKHDS0 | 11/28/2006 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-4 | MD | TERRA NOVA TELECOM INC. | 145J | ABERDEEN | NOCLLIKNOWN | 01/14/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ABERDEEN | BLTOMDXIDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 09/26/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 01/12/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-8 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ABERDEEN | BLTMMDSN5MD | 01/23/2007 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-303-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | ABERDEEN | BLTMMDCH40Z | 05/07/2010 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-304-0 | MD | TERRA NOVA TELECOM INC. | 145J | ARBUTUS | NOCLLIKNOWN | 09/16/2024 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | ARBUTUS | NOCLLIKNOWN | 01/29/2025 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARBUTUS | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-3 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARBUTUS | BLTMMDSNDS5 | 09/15/2006 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-5 | MD | COMMIO, LLC | 939H | ARBUTUS | BLTQMD013MD | 05/18/2021 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARBUTUS | BLTMMDSN5MD | 09/20/2006 | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | BLTOMDXIDS0 | 01/26/2010 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | BLTOMDXIDS0 | 09/28/2010 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-304-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARBUTUS | BLTOMDXIDS0 | 01/31/2011 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ARGRGBSNIS | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-305-2 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | ARGRGBSNIS | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305-3 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ARGRGBSNIS | BLTOMDXIDS0 | 04/28/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | ARGRGBSNIS | NOCLLIKNOWN | 02/03/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305-6 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | ARGRGBSNIS | BLTOMDXIDS0 | 05/06/2008 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305-7 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARGRGBSNIS | NOCLLIKNOWN | 08/22/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARGRGBSNIS | NOCLLIKNOWN | 05/28/2010 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-305-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | ARGRGBSNIS | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 00/00/0000 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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| 443-306-0 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | 12/26/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-306-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERNA PK | BLTMMDCH40Z | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BEL AIR | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-307 | |||||||
| 443-307-0 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BEL AIR | BLTOMDKHBMD | 11/12/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-1 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BEL AIR | CLMAMDORGT0 | 01/19/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-2 | MD | TERRA NOVA TELECOM INC. | 145J | BEL AIR | NOCLLIKNOWN | 03/10/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BEL AIR | CLMAMDORGT0 | 01/19/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-4 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | BEL AIR | BLTOMDKHBMD | 10/08/2025 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 11/11/2005 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 09/08/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BEL AIR | BLTMMDCH40Z | 09/08/2004 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-8 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BEL AIR | BLTOMDXIDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-307-9 | MD | TERRA NOVA TELECOM INC. | 145J | BEL AIR | NOCLLIKNOWN | 09/07/2022 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-308 | |||||||
| 443-308-0 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-1 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-2 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-3 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 04/14/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-4 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-5 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERN | BLTOMDXIDS0 | 11/05/2019 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | SEVERN | BLTOMDXIDS0 | 09/07/2017 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-8 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | SEVERN | NOCLLIKNOWN | 04/14/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-308-9 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCDDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | 00/00/0000 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-309 | |||||||
| 443-309-0 | MD | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP (T-Mobile US, Inc) | 6626 | ELKTON | BLTMMDCHC01 | N/A | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-1 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-2 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-3 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-4 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-5 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-6 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-7 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-8 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-309-9 | MD | METROPCS, INC. (T-Mobile US, Inc) | 5562 | ELKTON | BLTMMDCHXOY | N/A | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-310 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | BALTIMORE | CLMAMDORGT0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-312 | |||||||
| 443-312-0 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BRYNPKLNCM | NOCLLIKNOWN | 10/15/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-1 | MD | ONVOY, LLC - MD (Sinch) | 876D | BRYNPKLNCM | NOCLLIKNOWN | 12/13/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-2 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | BLTOMDXIDS0 | 12/05/2005 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-3 | MD | TERRA NOVA TELECOM INC. | 145J | BRYNPKLNCM | NOCLLIKNOWN | 03/11/2022 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-5 | MD | ONVOY, LLC - MD (Sinch) | 876D | BRYNPKLNCM | NOCLLIKNOWN | 08/24/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-6 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BRYNPKLNCM | NOCLLIKNOWN | 02/10/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-7 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | BRYNPKLNCM | BLTOMDXIDS0 | 07/11/2005 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-8 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | BRYNPKLNCM | NOCLLIKNOWN | 01/30/2008 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-312-9 | MD | BANDWIDTH.COM CLEC, LLC - MD | 071F | BRYNPKLNCM | NOCLLIKNOWN | 11/12/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FORK | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-313 | |||||||
| 443-313-1 | MD | TERRA NOVA TELECOM INC. | 145J | FORK | NOCLLIKNOWN | 04/08/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-2 | MD | TERRA NOVA TELECOM INC. | 145J | FORK | NOCLLIKNOWN | 04/08/2022 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-3 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | FORK | NOCLLIKNOWN | 03/09/2015 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-5 | MD | LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc) | 6119 | FORK | BLTOMDXIDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-6 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 03/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-7 | MD | ONVOY, LLC - MD (Sinch) | 876D | FORK | NOCLLIKNOWN | 03/08/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-8 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | FORK | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-313-9 | MD | PEERLESS NETWORK OF MARYLAND, LLC | 568G | FORK | NOCLLIKNOWN | 04/04/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-314 | |||||||
| 443-314-0 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-1 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-2 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-3 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-4 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-5 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-6 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-7 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-8 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-314-9 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | 6855 | BALTIMORE | BLTMMDCH40Z | 02/01/2011 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-315 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | BLTOMDXIDS0 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-315 | |||||||
| 443-315-0 | MD | TERRA NOVA TELECOM INC. | 145J | CATONSVL | NOCLLIKNOWN | 04/30/2025 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-315-2 | MD | ONVOY, LLC - MD (Sinch) | 876D | CATONSVL | NOCLLIKNOWN | 07/15/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-315-3 | MD | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 4036 | CATONSVL | BLTOMDXIDS0 | 01/17/2005 | Prefix Type: WIRELESS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-315-5 | MD | COMCAST IP PHONE, LLC (Comcast) | 318J | CATONSVL | NOCLLIKNOWN | 04/27/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A |
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Last Updated: Thu Jan 22 03:58:19 2026