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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-203MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-313MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-418MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS100/00/0000Prefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-442
410-442-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-6MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN04/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-442-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-461MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-465MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-480MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-505
410-505-0MDPEERLESS NETWORK OF MARYLAND, LLC568GELLICOTTCYNOCLLIKNOWN09/21/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-1MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492ELLICOTTCYNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS001/09/2003Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-3MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN01/27/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN07/01/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-7MDPEERLESS NETWORK OF MARYLAND, LLC568GELLICOTTCYNOCLLIKNOWN01/27/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-8MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN11/10/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-9MDATX TELECOMMUNICATIONS SERVICES, LTD.1958ELLICOTTCYNOCLLIKNOWN02/27/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS200/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-680
410-680-0MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-1MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-2MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN01/14/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-3MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN01/14/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-4MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-5MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-6MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN09/15/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-7MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-8MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN10/30/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-680-9MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591ELLICOTTCYBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ELLICOTTCYBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-696
410-696-0MDIP HORIZON LLC515JELLICOTTCYNOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ELLICOTTCYBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-2MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ELLICOTTCYBLTOMDKHDS006/06/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN09/29/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN02/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-6MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596ELLICOTTCYNOCLLIKNOWN01/04/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN05/06/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-8MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN01/30/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-696-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ELLICOTTCYBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-720
410-720-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-2MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN07/18/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-9MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN07/24/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-748MDUSA MOBILITY WIRELESS, INC. (Spok, Inc)6630ELLICOTTCYHNVAMDAE3MD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-750MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYELCYMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELLICOTT CITY
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYSYVLMDSKDS000/00/0000Prefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-781
410-781-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYSYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-1MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN02/25/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-2MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697ELLICOTTCYNOCLLIKNOWN04/17/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYSYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-5MDBARR TELL USA, INC.964HELLICOTTCYNOCLLIKNOWN11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYSYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYSYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-8MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN04/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-781-9MDTERRA NOVA TELECOM INC.145JELLICOTTCYNOCLLIKNOWN01/08/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLVLMDCEDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-988
410-988-0MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN06/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697ELLICOTTCYNOCLLIKNOWN02/10/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN08/15/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN08/15/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN08/15/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-5MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN09/25/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-6MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN08/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-7MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN06/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-8MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN10/30/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLVLMDCEDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-995
410-995-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-4MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYCLMAMDCBDS004/12/2019Prefix Type: CLEC
Switch Name: COLUMBIA 1
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-5MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-7MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-8MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN04/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-9MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN03/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-288
443-288-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-3MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN09/15/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-288-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-325
443-325-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-3MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-4MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD01/08/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-5MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN12/20/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-6MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD01/11/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-7MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-8MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-325-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-355
443-355-0MDTELNYX LLC073HELLICOTTCYNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-1MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD12/30/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-2MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-3MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD12/30/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-5MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD03/01/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN04/28/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN04/28/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-8MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD09/20/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-355-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN09/21/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ELLICOTTCYCLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-364
443-364-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN07/30/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-1MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD04/05/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN05/11/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-3MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN02/06/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-4MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN06/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-5MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ELLICOTTCYCLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-6MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN01/30/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-7MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN01/30/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-8MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN07/17/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050ELLICOTTCYBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-420
443-420-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050ELLICOTTCYBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050ELLICOTTCYBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD09/11/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-3MDCOMCAST IP PHONE, LLC318JELLICOTTCYNOCLLIKNOWN03/01/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050ELLICOTTCYBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-5MDTWILIO INTERNATIONAL, INC.506JELLICOTTCYNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-6MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN03/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-7MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-8MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-420-9MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN03/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574MDUS LEC OF MARYLAND, INC.2589ELLICOTTCYCLMAMDJTDS000/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-574
443-574-0MDUS LEC OF MARYLAND, INC.2589ELLICOTTCYCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-1MDUS LEC OF MARYLAND, INC.2589ELLICOTTCYCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-2MDUS LEC OF MARYLAND, INC.2589ELLICOTTCYCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-3MDUS LEC OF MARYLAND, INC.2589ELLICOTTCYCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-4MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-5MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-6MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN07/20/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-7MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN07/29/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-8MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716ELLICOTTCYBLTMMDCHW2905/02/2003Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-574-9MDUS LEC OF MARYLAND, INC.2589ELLICOTTCYCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-638MDGLOBAL NAPS SOUTH, INC. - MD2554ELLICOTTCYBLTMMDDN4MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMD05/11/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-828
443-828-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-2MDIP HORIZON LLC515JELLICOTTCYNOCLLIKNOWN08/12/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-3MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-4MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-5MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-6MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JELLICOTTCYBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-8MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-828-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ELLICOTTCYHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDSN5MD00/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-973
443-973-0MDXO MARYLAND, LLC (Verizon Communications)4773ELLICOTTCYBLTMMDSNDS503/09/2010Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYBLTMMDSNDS509/18/2019Prefix Type: WIRELESS
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-2MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN02/21/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ELLICOTTCYBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-4MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN08/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-5MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN10/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-6MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-7MDPEERLESS NETWORK OF MARYLAND, LLC568GELLICOTTCYNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-8MDPEERLESS NETWORK OF MARYLAND, LLC568GELLICOTTCYNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-973-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ELLICOTTCYBLTMMDSN5MD11/07/2001Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280MDVONAGE AMERICA LLC197DELLICOTTCYBLTMMDCHXQX05/05/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-280
667-280-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN03/02/2021Prefix Type: WIRELESS
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Tandem: N/A
Detailed Switch Info
667-280-1MDONVOY SPECTRUM, LLC (Inteliquent)624HELLICOTTCYNOCLLIKNOWN10/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD04/17/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-3MDVONAGE AMERICA LLC197DELLICOTTCYBLTMMDCHXQX05/06/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-4MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-5MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-6MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-7MDVONAGE AMERICA LLC197DELLICOTTCYBLTMMDCHXQX05/06/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-8MDONVOY SPECTRUM, LLC (Inteliquent)624HELLICOTTCYNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-280-9MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD11/22/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-371
667-371-0MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN09/01/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN02/08/2023Prefix Type: WIRELESS
Switch Name: N/A
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LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-2MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-3MDONVOY SPECTRUM, LLC (Inteliquent)624HELLICOTTCYNOCLLIKNOWN02/24/2022Prefix Type: WIRELESS
Switch Name: N/A
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LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-4MDONVOY SPECTRUM, LLC (Inteliquent)624HELLICOTTCYNOCLLIKNOWN02/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-5MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
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LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-6MDONVOY SPECTRUM, LLC (Inteliquent)624HELLICOTTCYNOCLLIKNOWN01/09/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-7MDONVOY SPECTRUM, LLC (Inteliquent)624HELLICOTTCYNOCLLIKNOWN01/09/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-8MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-371-9MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD11/22/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/15/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-686
667-686-0MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-1MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-2MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-3MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-4MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-5MDCORE COMMUNICATIONS, INC.- MD2593ELLICOTTCYBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-6MDPEERLESS NETWORK OF MARYLAND, LLC568GELLICOTTCYNOCLLIKNOWN10/19/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN01/10/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-8MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN05/21/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-686-9MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info