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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-937MDTELEPORT COMMUNICATIONS AMERIC (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, 568GUNION 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, 568GUNION 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 AMERIC (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
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