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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-357MDVERIZON MARYLAND, INC. (Verizon Communications)9212PARKTONPKTNMDPKRS000/00/0000Prefix Type: RBOC
Switch Name: PARKTON
Switch Type: WECO 5ESS Remote (5B RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-357
410-357-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212PARKTONPKTNMDPKRS0N/APrefix Type: RBOC
Switch Name: PARKTON
Switch Type: WECO 5ESS Remote (5B RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-1MDBANDWIDTH.COM CLEC, LLC - MD071FPARKTONNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-2MDCORE COMMUNICATIONS, INC.- MD2593PARKTONNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-3MDCOMCAST IP PHONE, LLC318JPARKTONNOCLLIKNOWN04/24/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212PARKTONPKTNMDPKRS0N/APrefix Type: RBOC
Switch Name: PARKTON
Switch Type: WECO 5ESS Remote (5B RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PARKTONPKTNMDPKRS0N/APrefix Type: RBOC
Switch Name: PARKTON
Switch Type: WECO 5ESS Remote (5B RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-6MDBANDWIDTH.COM CLEC, LLC - MD071FPARKTONNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-7MDCORE COMMUNICATIONS, INC.- MD2593PARKTONNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212PARKTONPKTNMDPKRS0N/APrefix Type: RBOC
Switch Name: PARKTON
Switch Type: WECO 5ESS Remote (5B RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-357-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212PARKTONPKTNMDPKRS0N/APrefix Type: RBOC
Switch Name: PARKTON
Switch Type: WECO 5ESS Remote (5B RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697PARKTONBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-238
443-238-0MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN02/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-1MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN02/24/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-2MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697PARKTONBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-3MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN02/24/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-4MDTERRA NOVA TELECOM INC.145JPARKTONNOCLLIKNOWN01/08/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-5MDCOMCAST IP PHONE, LLC318JPARKTONNOCLLIKNOWN09/03/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-6MDCORE COMMUNICATIONS, INC.- MD2593PARKTONNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JPARKTONBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-238-8MDTELNYX LLC073HPARKTONBLTMMDCHXTX04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050PARKTONBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-491
443-491-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050PARKTONBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050PARKTONBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-2MDLIGHTWAVE COMMUNICATIONS, LLC - MD5966PARKTONNOCLLIKNOWN09/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-3MDCOMCAST IP PHONE, LLC318JPARKTONNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050PARKTONBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-6MDTWILIO INTERNATIONAL, INC.506JPARKTONNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228PARKTONBLTOMDKHDS006/30/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-8MDBANDWIDTH.COM CLEC, LLC - MD071FPARKTONNOCLLIKNOWN10/19/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-491-9MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PARKTONBLTMMDFMDS000/00/0000Prefix 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 443-672
443-672-0MDCORE COMMUNICATIONS, INC.- MD2593PARKTONNOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-1MDUS LEC OF MARYLAND, INC.2589PARKTONCLMAMDJTDSA01/08/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119PARKTONNOCLLIKNOWN01/31/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-3MDCORE COMMUNICATIONS, INC.- MD2593PARKTONNOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-4MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-5MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-6MDPEERLESS NETWORK OF MARYLAND, LLC568GPARKTONNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-7MDPEERLESS NETWORK OF MARYLAND, LLC568GPARKTONNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-8MDBANDWIDTH.COM CLEC, LLC - MD071FPARKTONNOCLLIKNOWN09/14/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-672-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PARKTONBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-329MDTELNYX LLC073HPARKTONBLTMMDCHXTX06/23/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-329
667-329-0MDTELNYX LLC073HPARKTONBLTMMDCHXTX06/23/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-329-1MDONVOY, LLC - MD (Inteliquent)876DPARKTONNOCLLIKNOWN03/26/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-329-6MDONVOY SPECTRUM, LLC (Inteliquent)624HPARKTONNOCLLIKNOWN01/06/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-329-7MDONVOY SPECTRUM, LLC (Inteliquent)624HPARKTONNOCLLIKNOWN01/06/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-329-9MDPEERLESS NETWORK OF MARYLAND, LLC568GPARKTONNOCLLIKNOWN02/22/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370MDONVOY, LLC - MD (Inteliquent)876DPARKTONPIVLMDPKX8X03/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-370
667-370-0MDONVOY, LLC - MD (Inteliquent)876DPARKTONPIVLMDPKX8X03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370-1MDONVOY, LLC - MD (Inteliquent)876DPARKTONPIVLMDPKX8X03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370-2MDONVOY, LLC - MD (Inteliquent)876DPARKTONPIVLMDPKX8X04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370-3MDONVOY, LLC - MD (Inteliquent)876DPARKTONPIVLMDPKX8X04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370-6MDONVOY SPECTRUM, LLC (Inteliquent)624HPARKTONNOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370-7MDONVOY, LLC - MD (Inteliquent)876DPARKTONPIVLMDPKX8X03/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-370-9MDBANDWIDTH.COM CLEC, LLC - MD071FPARKTONNOCLLIKNOWN12/06/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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