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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
410-374MDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS100/00/0000Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374 is split into 1,000-number blocks - detail below
410-374-0XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-1XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-2XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-3XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-4XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-5XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-6XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-7XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JHAMPSTEADHNVAMDBHAMD03/03/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HNVAMDBHAMD))
410-374-8XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
410-374-9XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS1N/APrefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
443-291MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119HAMPSTEADBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-291 is split into 1,000-number blocks - detail below
443-291-2XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-291-3XXXMDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119HAMPSTEADBLTOMDXIDS008/27/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-291-4XXXMDTERRA NOVA TELECOM INC.0021193057RMD0001495145JHAMPSTEADNOCLLIKNOWN08/05/2025Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-291-5XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN02/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-291-6XXXMDCOMCAST IP PHONE, LLC (Comcast)0008497687RMD0003552318JHAMPSTEADNOCLLIKNOWN07/06/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-291-7XXXMDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119HAMPSTEADBLTOMDXIDS002/06/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-291-8XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-291-9XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-375MDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375 is split into 1,000-number blocks - detail below
443-375-0XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375-1XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375-2XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375-3XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN08/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-375-4XXXMDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD0018511246RMD00030544492HAMPSTEADNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-375-5XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN03/26/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-375-6XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375-7XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375-8XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-375-9XXXMDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)N/A6855HAMPSTEADNOCLLIKNOWNN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-507MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325HAMPSTEADBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDFMDS0))
443-507 is split into 1,000-number blocks - detail below
443-507-0XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS109/11/2003Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
443-507-1XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JHAMPSTEADCLMAMDJTDS006/26/2003Prefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDJTDS0))
443-507-3XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-507-4XXXMDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596HAMPSTEADNOCLLIKNOWN01/04/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-507-5XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS104/22/2005Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
443-507-6XXXMDCOMCAST IP PHONE, LLC (Comcast)0008497687RMD0003552318JHAMPSTEADNOCLLIKNOWN05/15/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-507-7XXXMDTERRA NOVA TELECOM INC.0021193057RMD0001495145JHAMPSTEADNOCLLIKNOWN01/17/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-507-8XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN06/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-507-9XXXMDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325HAMPSTEADBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDFMDS0))
443-508MDPAETEC ITEL, LLC0015247810RMD0038378829JHAMPSTEADHNVAMDBHAMD00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HNVAMDBHAMD))
443-508 is split into 1,000-number blocks - detail below
443-508-0XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JHAMPSTEADHNVAMDBHAMDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HNVAMDBHAMD))
443-508-1XXXMDMETROPCS, INC. (T-Mobile US, Inc)N/A5562HAMPSTEADBLTMMDCH40Z11/30/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH40Z))
443-508-2XXXMDCOMCAST IP PHONE, LLC (Comcast)0008497687RMD0003552318JHAMPSTEADNOCLLIKNOWN01/22/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-508-3XXXMDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)0004999405RMD00029577228HAMPSTEADBLTOMDKHDS009/19/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDKHDS0))
443-508-4XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212HAMPSTEADHMPSMDHERS108/27/2004Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: HMPSMDHERS1))
443-508-5XXXMDPEERLESS NETWORK OF MARYLAND, LLCN/A568GHAMPSTEADNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-508-6XXXMDTERRA NOVA TELECOM INC.0021193057RMD0001495145JHAMPSTEADNOCLLIKNOWN08/14/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-508-7XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-508-8XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-508-9XXXMDPEERLESS NETWORK OF MARYLAND, LLCN/A568GHAMPSTEADNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639MDPAETEC ITEL, LLC0015247810RMD0038378829JHAMPSTEADBLTMMDCH14Z00/00/0000Prefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH14Z))
443-639 is split into 1,000-number blocks - detail below
443-639-0XXXMDTELNYX LLC0018998724RMD0001645073HHAMPSTEADNOCLLIKNOWN04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-1XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN04/29/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-2XXXMDCOMCAST IP PHONE, LLC (Comcast)0008497687RMD0003552318JHAMPSTEADNOCLLIKNOWN06/06/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-3XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JHAMPSTEADBLTMMDCH14ZN/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH14Z))
443-639-4XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN05/05/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-5XXXMDCOMCAST IP PHONE, LLC (Comcast)0008497687RMD0003552318JHAMPSTEADNOCLLIKNOWN03/09/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-6XXXMDBALTIMORE-WASHINGTON TELEPHONE (BWT)0008104507RMD00045168697HAMPSTEADNOCLLIKNOWN05/20/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-7XXXMDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JHAMPSTEADBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDDN2MD))
443-639-8XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN10/06/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-639-9XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN10/06/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-366MDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT010/15/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366 is split into 1,000-number blocks - detail below
667-366-0XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-1XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-2XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-3XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-4XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-5XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-6XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT002/27/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-7XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-366-8XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593HAMPSTEADBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
667-366-9XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADNOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-477MDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z03/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-477 is split into 1,000-number blocks - detail below
667-477-0XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN07/20/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-477-1XXXMDBANDWIDTH.COM CLEC, LLC - MD0017042060RMD0003709071FHAMPSTEADNOCLLIKNOWN07/20/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-477-2XXXMDONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HHAMPSTEADNOCLLIKNOWN12/29/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-477-3XXXMDONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HHAMPSTEADNOCLLIKNOWN12/29/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-477-4XXXMDONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HHAMPSTEADNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-477-5XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-477-6XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z03/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-477-7XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-477-8XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-477-9XXXMDPEERLESS NETWORK OF MARYLAND, LLCN/A568GHAMPSTEADNOCLLIKNOWN09/08/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-489MDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z06/13/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-489 is split into 1,000-number blocks - detail below
667-489-0XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DHAMPSTEADBLTMMDCH42Z06/13/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
667-489-1XXXMDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)N/A6855HAMPSTEADNOCLLIKNOWN04/17/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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