Rate Center Name: , State:
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-239MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNHMPSMDHERS100/00/0000Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS000/00/0000Prefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-517
410-517-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z06/14/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-6MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492REISTERSTNNOCLLIKNOWN10/17/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-7MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-517-9MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z04/05/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-526MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS000/00/0000Prefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-702
410-702-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT006/30/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-1MDONVOY SPECTRUM, LLC (Sinch)624HREISTERSTNNOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-2MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT006/30/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119REISTERSTNNOCLLIKNOWN07/29/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119REISTERSTNNOCLLIKNOWN01/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-6MDBROADVIEW NETWORKS, INC. - MD (Windstream Holdings)9170REISTERSTNNOCLLIKNOWN08/10/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-7MDCOMCAST IP PHONE, LLC (Comcast)318JREISTERSTNNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-8MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z09/07/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-702-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-833MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNRSTWMDRSDS000/00/0000Prefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS000/00/0000Prefix 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
410-840-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-1MDTERRA NOVA TELECOM INC.145JREISTERSTNWMNSMDWMDS012/30/2020Prefix Type: IPES
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-6MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697REISTERSTNNOCLLIKNOWN11/16/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119REISTERSTNNOCLLIKNOWN12/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-840-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-876MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325REISTERSTNCLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-273
443-273-0MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325REISTERSTNCLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-1MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN06/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-2MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN02/20/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-3MDCOMCAST IP PHONE, LLC (Comcast)318JREISTERSTNNOCLLIKNOWN08/28/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z09/04/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-5MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-6MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z09/04/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-7MDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JREISTERSTNBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-8MDIP HORIZON LLC515JREISTERSTNNOCLLIKNOWN12/07/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-273-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325REISTERSTNCLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-381
443-381-0MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-1MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z09/19/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT012/20/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT010/27/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT010/27/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-5MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z02/20/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-6MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN02/09/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-7MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN04/09/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-8MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z01/15/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-381-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT003/06/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716REISTERSTNBLTMMDCHW2900/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-522
443-522-0MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-1MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-2MDCOMCAST IP PHONE, LLC (Comcast)318JREISTERSTNNOCLLIKNOWN04/27/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-3MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z09/17/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z03/03/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-5MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z03/03/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-6MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z07/23/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-7MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z07/23/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-8MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z11/07/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-522-9MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716REISTERSTNBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050REISTERSTNBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-590
443-590-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050REISTERSTNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050REISTERSTNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-2MDONVOY SPECTRUM, LLC (Sinch)624HREISTERSTNNOCLLIKNOWN08/11/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119REISTERSTNNOCLLIKNOWN12/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-6MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z11/02/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-7MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-8MDBARR TELL USA, INC.964HREISTERSTNNOCLLIKNOWN11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-590-9MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229REISTERSTNBLTMMDCDDS002/20/2001Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-650
443-650-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229REISTERSTNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229REISTERSTNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-2MDIP HORIZON LLC515JREISTERSTNNOCLLIKNOWN09/15/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-3MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z08/13/2020Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-5MDUS LEC OF MARYLAND, INC.2589REISTERSTNCLMAMDJTDS002/07/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-6MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-7MDTELNYX LLC073HREISTERSTNNOCLLIKNOWN04/13/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-8MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-9MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910REISTERSTNHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-712
443-712-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910REISTERSTNHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-1MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-2MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910REISTERSTNHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-3MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z01/03/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z03/01/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-5MDXO MARYLAND, LLC (Verizon Communications)4773REISTERSTNBLTMMDSNDS507/02/2007Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-6MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z12/09/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-7MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN08/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-8MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-712-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910REISTERSTNHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40Z07/02/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-744
443-744-0MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-1MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-2MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-3MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-5MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-6MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-7MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-8MDCOMCAST IP PHONE, LLC (Comcast)318JREISTERSTNNOCLLIKNOWN12/30/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-744-9MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCHFMD00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-881
443-881-0MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCHFMD02/23/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-1MDIP HORIZON LLC515JREISTERSTNNOCLLIKNOWN02/23/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-2MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716REISTERSTNBLTMMDCHW2912/15/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-3MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCHFMD09/20/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-4MDCOMCAST IP PHONE, LLC (Comcast)318JREISTERSTNNOCLLIKNOWN05/24/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-5MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCHFMD02/23/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-6MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCHFMD12/13/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-7MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-8MDPEERLESS NETWORK OF MARYLAND, LLC568GREISTERSTNNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-881-9MDPEERLESS NETWORK OF MARYLAND, LLC568GREISTERSTNNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS012/21/2018Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-259
667-259-0MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-1MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-2MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS012/27/2018Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS012/27/2018Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS012/27/2018Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-6MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-7MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-8MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-259-9MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS009/22/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-296
667-296-0MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN02/04/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-1MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN02/04/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS009/23/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS009/23/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS009/23/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-5MDTWILIO INTERNATIONAL, INC.506JREISTERSTNNOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS001/26/2021Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS001/26/2021Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228REISTERSTNBLTOMDKHDS001/26/2021Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-296-9MDONVOY, LLC - MD (Sinch)876DREISTERSTNNOCLLIKNOWN09/16/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-448MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT008/25/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-448
667-448-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT002/20/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-448-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036REISTERSTNCLMAMDORGT008/25/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info