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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-775MDVERIZON MARYLAND, INC. (Verizon Communications)9212UNION BDGUNBRMDUBRS000/00/0000Prefix Type: RBOC
Switch Name: UNION BRIDGE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-775
410-775-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212UNION BDGUNBRMDUBRS0N/APrefix Type: RBOC
Switch Name: UNION BRIDGE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212UNION BDGUNBRMDUBRS0N/APrefix Type: RBOC
Switch Name: UNION BRIDGE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212UNION BDGUNBRMDUBRS0N/APrefix Type: RBOC
Switch Name: UNION BRIDGE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-3MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697UNION BDGNOCLLIKNOWN04/12/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119UNION BDGNOCLLIKNOWN01/09/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119UNION BDGNOCLLIKNOWN02/08/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-6MDBANDWIDTH.COM CLEC, LLC - MD071FUNION BDGNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212UNION BDGUNBRMDUBRS0N/APrefix Type: RBOC
Switch Name: UNION BRIDGE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-8MDBANDWIDTH.COM CLEC, LLC - MD071FUNION BDGNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-775-9MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697UNION BDGBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-247
443-247-0MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697UNION BDGBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-2MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-3MDBANDWIDTH.COM CLEC, LLC - MD071FUNION BDGNOCLLIKNOWN04/03/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-4MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-5MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-6MDCORE COMMUNICATIONS, INC.- MD2593UNION BDGNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JUNION BDGBLTMMDDN2MD05/23/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-8MDTELNYX LLC073HUNION BDGNOCLLIKNOWN04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-247-9MDCORE COMMUNICATIONS, INC.- MD2593UNION BDGNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325UNION BDGBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-937
443-937-0MDCORE COMMUNICATIONS, INC.- MD2593UNION BDGNOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-1MDUS LEC OF MARYLAND, INC.2589UNION BDGCLMAMDJTDS001/15/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-2MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN09/13/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-3MDBANDWIDTH.COM CLEC, LLC - MD071FUNION BDGNOCLLIKNOWN12/14/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-4MDCORE COMMUNICATIONS, INC.- MD2593UNION BDGNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-5MDBANDWIDTH.COM CLEC, LLC - MD071FUNION BDGNOCLLIKNOWN03/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-6MDCOMCAST IP PHONE, LLC318JUNION BDGNOCLLIKNOWN01/09/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-7MDPEERLESS NETWORK OF MARYLAND, LLC568GUNION BDGNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-8MDPEERLESS NETWORK OF MARYLAND, LLC568GUNION BDGNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-937-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325UNION BDGBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399MDHD CARRIER LLC321JUNION BDGBLTMMDCHXVX04/10/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-399
667-399-0MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-1MDONVOY, LLC - MD (Inteliquent)876DUNION BDGNOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-3MDTWILIO INTERNATIONAL, INC.506JUNION BDGNOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-4MDONVOY SPECTRUM, LLC (Inteliquent)624HUNION BDGNOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-5MDONVOY SPECTRUM, LLC (Inteliquent)624HUNION BDGNOCLLIKNOWN02/05/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-6MDTELNYX LLC073HUNION BDGNOCLLIKNOWN08/11/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-7MDONVOY SPECTRUM, LLC (Inteliquent)624HUNION BDGNOCLLIKNOWN02/05/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-8MDHD CARRIER LLC321JUNION BDGBLTMMDCHXVX04/13/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-399-9MDHD CARRIER LLC321JUNION BDGBLTMMDCHXVX04/13/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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