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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-405MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-405
410-405-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-3MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN10/13/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-6MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN10/13/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-7MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/28/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-405-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325FORKBLTMMDFMDS000/00/0000Prefix 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 410-510
410-510-0MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325FORKBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-1MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325FORKBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-2MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN06/26/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-3MDVDL, INC. DBA GLOBAL TELECOM B4492FORKNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-4MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN06/26/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-5MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-6MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN06/26/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-7MDCOMCAST IP PHONE, LLC318JFORKNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-8MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN09/20/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-510-9MDTERRA NOVA TELECOM INC.145JFORKNOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-515MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKWNRNMDWNRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS000/00/0000Prefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-538
410-538-0MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-1MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-2MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN09/21/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS0N/APrefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS0N/APrefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS0N/APrefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS0N/APrefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS0N/APrefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS0N/APrefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-538-9MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS000/00/0000Prefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-557
410-557-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS0N/APrefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697FORKNOCLLIKNOWN03/09/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-2MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-3MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS0N/APrefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-5MDBALTIMORE-WASHINGTON TELEPHONE8697FORKNOCLLIKNOWN04/17/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS0N/APrefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS0N/APrefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS0N/APrefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-557-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKJRVLMDJERS0N/APrefix Type: RBOC
Switch Name: JARRETTSVILLE
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKABRDMDABDS000/00/0000Prefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-575
410-575-0MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKNOCLLIKNOWN05/05/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-2MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-3MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-4MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKABRDMDABDS0N/APrefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKABRDMDABDS0N/APrefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKABRDMDABDS0N/APrefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKABRDMDABDS0N/APrefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-575-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKABRDMDABDS0N/APrefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-592
410-592-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-1MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-4MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-592-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-593
410-593-0MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN01/26/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-1MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN07/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-3MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN01/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-5MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-6MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-7MDCOMCAST IP PHONE, LLC318JFORKNOCLLIKNOWN11/18/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-8MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN01/26/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-593-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-679MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKEDWDMDEGDS000/00/0000Prefix Type: RBOC
Switch Name: EDGEWOOD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228FORKBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-698
410-698-0MDATX TELECOMMUNICATIONS SERVICE1958FORKNOCLLIKNOWN02/03/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKNOCLLIKNOWN03/14/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT004/21/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT004/21/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKNOCLLIKNOWN07/29/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT006/22/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-6MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKNOCLLIKNOWN12/16/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT008/18/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT008/18/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-698-9MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228FORKBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-803
410-803-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-3MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN09/20/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-5MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN07/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-6MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN07/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
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LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-803-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-817
410-817-0MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-1MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-2MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-3MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
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Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-7MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN03/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-817-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKFORKMDFKRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-879MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKCCVLMDCHRS000/00/0000Prefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-893MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKCRDFMDCDRS000/00/0000Prefix Type: RBOC
Switch Name: CARDIFF
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-983
410-983-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKCRDFMDCDRS0N/APrefix Type: RBOC
Switch Name: CARDIFF
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT010/08/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-2MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-3MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN09/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-4MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-5MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-6MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN09/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-7MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-8MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-983-9MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN05/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKCCVLMDCHRS000/00/0000Prefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-989
410-989-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FORKCCVLMDCHRS0N/APrefix Type: RBOC
Switch Name: CHURCHVILLE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-1MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN07/19/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-2MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN07/19/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-3MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/03/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-4MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-5MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/03/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-6MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/03/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-7MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/21/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-8MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/21/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-989-9MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN01/21/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910FORKHNVAMDBHAMD05/10/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-265
443-265-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910FORKHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-1MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910FORKHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-2MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN05/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-3MDTWILIO INTERNATIONAL, INC.506JFORKNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-4MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-5MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910FORKHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-6MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JFORKBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-8MDLOCAL ACCESS LLC - MD082HFORKNOCLLIKNOWN05/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-265-9MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN12/10/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050FORKBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-313
443-313-0MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050FORKBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-1MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050FORKBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-2MDTERRA NOVA TELECOM INC.145JFORKNOCLLIKNOWN04/08/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-3MDCOMCAST IP PHONE, LLC318JFORKNOCLLIKNOWN03/09/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-4MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050FORKBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-5MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-6MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN03/08/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-7MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN03/08/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-8MDPEERLESS NETWORK OF MARYLAND, 568GFORKNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-313-9MDPEERLESS NETWORK OF MARYLAND, 568GFORKNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-421MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697FORKBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-606
443-606-0MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN09/18/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697FORKBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-2MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN09/18/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-3MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN09/18/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-4MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN09/18/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-5MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-6MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN11/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-7MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-8MDTELNYX LLC073HFORKNOCLLIKNOWN04/13/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-606-9MDLOCAL ACCESS LLC - MD082HFORKNOCLLIKNOWN02/19/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKBLTMMDSN6MD02/21/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-625
443-625-0MDCORE COMMUNICATIONS, INC.- MD2593FORKNOCLLIKNOWN10/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119FORKBLTMMDSN6MD09/28/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-2MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN06/01/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-3MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228FORKBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-4MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN06/01/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-5MDUS LEC OF MARYLAND, INC.2589FORKCLMAMDJTDS010/29/2002Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-6MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN08/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-7MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN08/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT003/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-625-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036FORKCLMAMDORGT001/28/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283MDAT&T - LOCAL (AT&T)7421FORKBLTMMDCHXAX07/06/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-283
667-283-0MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN12/10/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-1MDBANDWIDTH.COM CLEC, LLC - MD071FFORKNOCLLIKNOWN03/10/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-3MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN06/15/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-4MDONVOY, LLC - MD (Inteliquent)876DFORKNOCLLIKNOWN06/15/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-5MDTON80 COMMUNICATIONS, LLC516JFORKNOCLLIKNOWN02/28/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-6MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN12/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-7MDONVOY SPECTRUM, LLC (Inteliquent)624HFORKNOCLLIKNOWN12/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-8MDPEERLESS NETWORK OF MARYLAND, 568GFORKNOCLLIKNOWN01/28/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-283-9MDAT&T - LOCAL (AT&T)7421FORKBLTMMDCHXAX07/07/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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