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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
410-734MDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS000/00/0000Prefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-734 is split into 1,000-number blocks - detail below
410-734-0XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-1XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-2XXXMDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119CHURCHVLNOCLLIKNOWN02/06/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-3XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-4XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-5XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-6XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-7XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-8XXXMDARMSTRONG TELECOMMUNICATIONS, INC. - MD (ARMSTRONG HOLDINGS, INC.)0006796643RMD0004039420CCHURCHVLNOCLLIKNOWN08/11/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-734-9XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212CHURCHVLCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CCVLMDCHRS0))
🕘 Prefix History
🔎 Explore Carrier Information
410-914MDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLBLARMDBL1MD00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLARMDBL1MD))
🕘 Prefix History
🔎 Explore Carrier Information
410-914 is split into 1,000-number blocks - detail below
410-914-0XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLBLARMDBL1MDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLARMDBL1MD))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-1XXXMDPEERLESS NETWORK OF MARYLAND, LLC (Infobip)N/AN/A568GCHURCHVLNOCLLIKNOWN05/26/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-2XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN04/09/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-3XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLBLARMDBL1MDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLARMDBL1MD))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-4XXXMDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119CHURCHVLNOCLLIKNOWN09/10/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-5XXXMDCOMCAST IP PHONE, LLC (Comcast Corporation)0008497687RMD0003552318JCHURCHVLNOCLLIKNOWN02/10/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-6XXXMDBALTIMORE-WASHINGTON TELEPHONE (BWT) (BALTIMORE-WASHINGTON TELEPHONE (BWT))0008104507RMD00045168697CHURCHVLNOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-7XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-8XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
410-914-9XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLBLARMDBL1MDN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLARMDBL1MD))
🕘 Prefix History
🔎 Explore Carrier Information
443-390MDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-390 is split into 1,000-number blocks - detail below
443-390-0XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN08/13/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-1XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN09/18/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-2XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLBLTOMDXIDS007/22/2016Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-3XXXMDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)0004999405RMD00029577228CHURCHVLBLTOMDKHDS010/15/2007Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDKHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-4XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN11/20/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-5XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN02/05/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-6XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLBLTOMDXIDS003/07/2011Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-7XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-8XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLBLTOMDXIDS011/23/2010Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-390-9XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLBLTOMDXIDS005/05/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDXIDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-412MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325CHURCHVLBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDFMDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-412 is split into 1,000-number blocks - detail below
443-412-0XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-1XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLCLMAMDJTDS012/16/2003Prefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDJTDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-2XXXMDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325CHURCHVLBLTMMDFMDS008/15/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDFMDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-3XXXMDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325CHURCHVLBLTMMDFMDS008/15/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDFMDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-4XXXMDTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JCHURCHVLNOCLLIKNOWN01/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-5XXXMDCOMCAST IP PHONE, LLC (Comcast Corporation)0008497687RMD0003552318JCHURCHVLNOCLLIKNOWN09/20/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-6XXXMDHD CARRIER LLC0026630681RMD0013231321JCHURCHVLNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-7XXXMDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JCHURCHVLBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDDN2MD))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-8XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-412-9XXXMDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325CHURCHVLBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDFMDS0))
🕘 Prefix History
🔎 Explore Carrier Information
443-464MDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLPIVLMDPKQMD03/16/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: PIVLMDPKQMD))
🕘 Prefix History
🔎 Explore Carrier Information
443-464 is split into 1,000-number blocks - detail below
443-464-0XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN09/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-1XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-2XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-3XXXMDHD CARRIER LLC0026630681RMD0013231321JCHURCHVLNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-4XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLPIVLMDPKQMD03/16/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: PIVLMDPKQMD))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-5XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLPIVLMDPKQMD03/16/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: PIVLMDPKQMD))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-6XXXMDHD CARRIER LLC0026630681RMD0013231321JCHURCHVLNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-7XXXMDHD CARRIER LLC0026630681RMD0013231321JCHURCHVLNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-8XXXMDPEERLESS NETWORK OF MARYLAND, LLC (Infobip)N/AN/A568GCHURCHVLNOCLLIKNOWN04/09/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-464-9XXXMDPEERLESS NETWORK OF MARYLAND, LLC (Infobip)N/AN/A568GCHURCHVLNOCLLIKNOWN04/09/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582MDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLBLTMMDCH14Z00/00/0000Prefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH14Z))
🕘 Prefix History
🔎 Explore Carrier Information
443-582 is split into 1,000-number blocks - detail below
443-582-0XXXMDTELNYX LLC (TELNYX LLC)0018998724RMD0001645073HCHURCHVLNOCLLIKNOWN04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-1XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCHURCHVLBLTMMDCH14ZN/APrefix Type: IPES
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH14Z))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-2XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-3XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN05/01/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-4XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-5XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-6XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
443-582-7XXXMDONVOY SPECTRUM, LLC (Sinch US Holding, Inc.)0024415002RMD0002045624HCHURCHVLNOCLLIKNOWN05/01/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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443-582-8XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN06/28/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
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443-582-9XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN05/02/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
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667-340MDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLBLTMMDCH42Z09/01/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
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667-340 is split into 1,000-number blocks - detail below
667-340-0XXXMDONVOY SPECTRUM, LLC (Sinch US Holding, Inc.)0024415002RMD0002045624HCHURCHVLNOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-340-1XXXMDONVOY SPECTRUM, LLC (Sinch US Holding, Inc.)0024415002RMD0002045624HCHURCHVLNOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-340-2XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLBLTMMDCH42Z09/01/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
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667-340-3XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLBLTMMDCH42Z09/01/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
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667-340-4XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN11/05/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-340-5XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLBLTMMDCH42Z11/20/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
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667-340-6XXXMDCOMCAST IP PHONE, LLC (Comcast Corporation)0008497687RMD0003552318JCHURCHVLNOCLLIKNOWN01/06/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-340-7XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLBLTMMDCH42Z04/09/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH42Z))
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667-340-8XXXMDBANDWIDTH.COM CLEC, LLC - MD (Bandwidth Inc.)0017042060RMD0003709071FCHURCHVLNOCLLIKNOWN02/10/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-340-9XXXMDPEERLESS NETWORK OF MARYLAND, LLC (Infobip)N/AN/A568GCHURCHVLNOCLLIKNOWN09/08/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-538MDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN01/27/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-538 is split into 1,000-number blocks - detail below
667-538-0XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN01/27/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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667-538-1XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN07/22/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
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667-946MDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT010/15/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946 is split into 1,000-number blocks - detail below
667-946-0XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-1XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-2XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
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667-946-3XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-4XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-5XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-6XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-7XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-8XXXMDCORE COMMUNICATIONS, INC.- MDN/AN/A2593CHURCHVLBLTMMD91GT007/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91GT0))
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667-946-9XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DCHURCHVLNOCLLIKNOWN01/08/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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