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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-401MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BRYNPKLNCMBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-401
410-401-0MDPEERLESS NETWORK OF MARYLAND, 568GBRYNPKLNCMNOCLLIKNOWN09/17/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-1MDPEERLESS NETWORK OF MARYLAND, 568GBRYNPKLNCMNOCLLIKNOWN09/17/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-2MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325BRYNPKLNCMNOCLLIKNOWN04/30/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-3MDVDL, INC. DBA GLOBAL TELECOM B4492BRYNPKLNCMNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-4MDPEERLESS NETWORK OF MARYLAND, 568GBRYNPKLNCMNOCLLIKNOWN09/17/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-5MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN03/16/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-6MDLOCAL ACCESS LLC - MD082HBRYNPKLNCMNOCLLIKNOWN09/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-7MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-8MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-401-9MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BRYNPKLNCMBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591BRYNPKLNCMBLTMMDDNDS200/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-589
410-589-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN03/24/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-1MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591BRYNPKLNCMBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-2MDTELNYX LLC073HBRYNPKLNCMNOCLLIKNOWN04/13/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-3MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN07/16/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-4MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591BRYNPKLNCMBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-5MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN02/07/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-6MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN09/10/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-7MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591BRYNPKLNCMBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-8MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591BRYNPKLNCMBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-589-9MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591BRYNPKLNCMBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS000/00/0000Prefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-609
410-609-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS0N/APrefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS0N/APrefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS0N/APrefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-3MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN01/12/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN08/05/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-5MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-6MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN02/24/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-7MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN03/29/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-8MDATX TELECOMMUNICATIONS SERVICE1958BRYNPKLNCMNOCLLIKNOWN02/03/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-609-9MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-636MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS000/00/0000Prefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-789MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS000/00/0000Prefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BRYNPKLNCMBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-312
443-312-0MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BRYNPKLNCMBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-1MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BRYNPKLNCMBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-2MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN12/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-3MDTERRA NOVA TELECOM INC.145JBRYNPKLNCMNOCLLIKNOWN03/11/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-4MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BRYNPKLNCMBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-5MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-6MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN02/10/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-7MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BRYNPKLNCMNOCLLIKNOWN07/11/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-8MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN01/30/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-312-9MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDSNDS500/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-335
443-335-0MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-1MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-2MDPEERLESS NETWORK OF MARYLAND, 568GBRYNPKLNCMNOCLLIKNOWN10/19/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-3MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDSNDS5N/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-4MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN09/19/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-5MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN12/31/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-6MDPEERLESS NETWORK OF MARYLAND, 568GBRYNPKLNCMNOCLLIKNOWN09/29/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-7MDTWILIO INTERNATIONAL, INC.506JBRYNPKLNCMNOCLLIKNOWN11/25/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-8MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-335-9MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDSN5MD00/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-400
443-400-0MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-1MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN09/17/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-2MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-3MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-4MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN09/17/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-5MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-6MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN03/03/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-7MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN08/15/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-8MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716BRYNPKLNCMBLTMMDCHW2905/03/2002Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-400-9MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN09/10/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325BRYNPKLNCMBLTMMDFMDS000/00/0000Prefix 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 443-457
443-457-0MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-1MDUS LEC OF MARYLAND, INC.2589BRYNPKLNCMCLMAMDJTDS003/03/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-2MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-3MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN05/06/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-4MDBALTIMORE-WASHINGTON TELEPHONE8697BRYNPKLNCMNOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-5MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325BRYNPKLNCMBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-6MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN02/15/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-7MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BRYNPKLNCMNOCLLIKNOWN08/11/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-8MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN12/14/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-457-9MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BRYNPKLNCMHNVAMDBHAMD05/10/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-673
443-673-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BRYNPKLNCMHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-1MDONVOY SPECTRUM, LLC (Inteliquent)624HBRYNPKLNCMNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-2MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN02/13/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-3MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BRYNPKLNCMHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-4MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN02/13/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-5MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-6MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BRYNPKLNCMHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-7MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN03/03/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-673-9MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN11/02/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-773
443-773-0MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-1MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-2MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN04/14/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-3MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-4MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-5MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-6MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-7MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMBLTMMDCDDS006/10/2019Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-8MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-773-9MDXO MARYLAND, LLC (Verizon Communications)4773BRYNPKLNCMBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS010/18/2007Prefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-792
443-792-0MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN09/23/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-1MDLOCAL ACCESS LLC - MD082HBRYNPKLNCMNOCLLIKNOWN02/23/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS010/19/2007Prefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BRYNPKLNCMBRKLMDBKDS010/19/2007Prefix Type: RBOC
Switch Name: BROOKLYN
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-4MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BRYNPKLNCMBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-5MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BRYNPKLNCMNOCLLIKNOWN04/07/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-6MDLOCAL ACCESS LLC - MD082HBRYNPKLNCMNOCLLIKNOWN12/07/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JBRYNPKLNCMBLTMMDDN2MD03/06/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-8MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN09/23/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-792-9MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN02/21/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMBLTMMD91GT012/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-653
667-653-0MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMBLTMMD91GT012/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-1MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN05/03/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-2MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMBLTMMD91GT012/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-3MDCORE COMMUNICATIONS, INC.- MD2593BRYNPKLNCMBLTMMD91GT012/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-4MDMETROPCS, INC. (T-Mobile US, Inc)5562BRYNPKLNCMNOCLLIKNOWN07/28/2020Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-5MDCOMCAST IP PHONE, LLC318JBRYNPKLNCMNOCLLIKNOWN03/01/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-6MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN11/02/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-7MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN09/01/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-8MDLOCAL ACCESS LLC - MD082HBRYNPKLNCMNOCLLIKNOWN03/27/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-653-9MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN09/01/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-832MDTON80 COMMUNICATIONS, LLC516JBRYNPKLNCMBLTQMD01BMD02/24/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-832
667-832-0MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN07/20/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-832-1MDBANDWIDTH.COM CLEC, LLC - MD071FBRYNPKLNCMNOCLLIKNOWN07/20/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-832-4MDTON80 COMMUNICATIONS, LLC516JBRYNPKLNCMBLTQMD01BMD02/24/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-832-7MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-832-8MDONVOY, LLC - MD (Inteliquent)876DBRYNPKLNCMNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-832-9MDPEERLESS NETWORK OF MARYLAND, 568GBRYNPKLNCMNOCLLIKNOWN03/07/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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