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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-297MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325ARBUTUSBLTMMDFMDS000/00/0000Prefix 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 443-297
443-297-0MDCORE COMMUNICATIONS, INC.- MD2593ARBUTUSNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-1MDUS LEC OF MARYLAND, INC.2589ARBUTUSCLMAMDJTDS005/02/2012Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-3MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325ARBUTUSBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-4MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-5MDVDL, INC. DBA GLOBAL TELECOM B4492ARBUTUSNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-6MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JARBUTUSBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-7MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN08/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-8MDCOMCAST IP PHONE, LLC318JARBUTUSNOCLLIKNOWN12/28/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-9MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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