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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-265MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-277
410-277-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-1MDIP HORIZON LLC515JWOODLAWNNOCLLIKNOWN02/23/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-277-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-281MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-298MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-594MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-597MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-645
410-645-0MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-2MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-3MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492WOODLAWNNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-4MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-5MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591WOODLAWNNOCLLIKNOWN05/03/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-6MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-7MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-8MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN08/01/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-645-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-786MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-907
410-907-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN10/14/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-3MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN03/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN03/26/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN03/26/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-7MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN03/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-8MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD02/23/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-907-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WOODLAWNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-944MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-965MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-966MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS002/21/2001Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-200
443-200-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-2MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN07/25/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-3MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-5MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN07/25/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-8MDIP HORIZON LLC515JWOODLAWNNOCLLIKNOWN07/22/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-200-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-316
443-316-0MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN11/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-1MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN11/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-2MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN04/18/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-3MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD04/14/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN03/26/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-8MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN01/22/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-316-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/21/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WOODLAWNBLTMMDFMDS000/00/0000Prefix 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 443-348
443-348-0MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN02/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-1MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WOODLAWNBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-2MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WOODLAWNBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-3MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN11/09/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-4MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WOODLAWNBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-5MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN09/09/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-6MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-7MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN11/01/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-8MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNNOCLLIKNOWN05/06/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-348-9MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-380
443-380-0MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-1MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN08/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTMMDSN6MD01/12/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-3MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTMMDSN6MD04/07/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS003/16/2011Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS003/16/2011Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS003/16/2011Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS003/16/2011Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-380-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/21/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-429
443-429-0MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN06/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-1MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN09/13/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-2MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN03/24/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-3MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD10/22/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-4MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD10/22/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-5MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD10/22/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-6MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD10/22/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-7MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD10/22/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-8MDPEERLESS NETWORK OF MARYLAND, LLC568GWOODLAWNNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-429-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWOODLAWNNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-436
443-436-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-2MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN05/06/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-436-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-551
443-551-0MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN04/17/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-1MDTERRA NOVA TELECOM INC.145JWOODLAWNNOCLLIKNOWN01/08/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-2MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN06/11/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-3MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN04/18/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WOODLAWNBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN07/15/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-6MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN01/08/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-7MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN01/08/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-8MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN09/27/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-551-9MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN09/27/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-658MDONVOY, LLC - MD (Sinch)876DWOODLAWNBLTMMDCH42Z00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-663
443-663-0MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697WOODLAWNNOCLLIKNOWN05/27/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-1MDTERRA NOVA TELECOM INC.145JWOODLAWNBLTMMDSNDS508/13/2024Prefix Type: IPES
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-2MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNWDLWMDWLDS004/15/2019Prefix Type: CLEC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-3MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN02/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-4MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN09/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-5MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN02/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-7MDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JWOODLAWNBLTMMDDN2MD05/23/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-9MDIP HORIZON LLC515JWOODLAWNNOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW2900/00/0000Prefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-729
443-729-0MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-1MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-2MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-3MDTELNYX LLC073HWOODLAWNNOCLLIKNOWN04/13/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-4MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-5MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN12/05/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-7MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-8MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-729-9MDPAETEC ITEL, LLC829JWOODLAWNBLTMMDCHW29N/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMD05/11/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-751
443-751-0MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-1MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-2MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-3MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-4MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-5MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-6MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-7MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-8MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-751-9MDPAETEC ITEL, LLC829JWOODLAWNHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780MDPAETEC ITEL, LLC829JWOODLAWNCLMAMDJTDS007/23/2001Prefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-780
443-780-0MDPAETEC ITEL, LLC829JWOODLAWNCLMAMDJTDS0N/APrefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-1MDPAETEC ITEL, LLC829JWOODLAWNCLMAMDJTDS0N/APrefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-2MDPAETEC ITEL, LLC829JWOODLAWNCLMAMDJTDS0N/APrefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-3MDPAETEC ITEL, LLC829JWOODLAWNCLMAMDJTDS0N/APrefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN10/27/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN10/27/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN05/22/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-7MDBARR TELL USA, INC.964HWOODLAWNNOCLLIKNOWN11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN01/15/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-780-9MDPAETEC ITEL, LLC829JWOODLAWNCLMAMDJTDS0N/APrefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDSN5MD00/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-893
443-893-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/21/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-3MDCOMCAST IP PHONE, LLC (Comcast)318JWOODLAWNNOCLLIKNOWN03/15/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN01/15/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-5MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-6MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WOODLAWNBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-8MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-893-9MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-508MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-508
667-508-0MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN06/26/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-508-1MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN08/13/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-508-2MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN09/18/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-508-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-508-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-508-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842MDFRACTEL, LLC965HWOODLAWNBLTQMD01AMD07/15/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-842
667-842-0MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN07/28/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-1MDBANDWIDTH.COM CLEC, LLC - MD071FWOODLAWNNOCLLIKNOWN03/10/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-2MDONVOY, LLC - MD (Sinch)876DWOODLAWNNOCLLIKNOWN12/16/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-3MDTON80 COMMUNICATIONS, LLC516JWOODLAWNNOCLLIKNOWN02/28/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-4MDONVOY SPECTRUM, LLC (Sinch)624HWOODLAWNNOCLLIKNOWN12/29/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-5MDFRACTEL, LLC965HWOODLAWNBLTQMD01AMD07/20/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-6MDONVOY SPECTRUM, LLC (Sinch)624HWOODLAWNNOCLLIKNOWN12/29/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WOODLAWNNOCLLIKNOWN11/14/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-8MDONVOY SPECTRUM, LLC (Sinch)624HWOODLAWNNOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-842-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWOODLAWNNOCLLIKNOWN06/17/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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