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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-406MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ELKTONBLTMMDFMDS000/00/0000Prefix 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 443-406
443-406-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELKTONCLMAMDORGT001/12/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-1MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716ELKTONBLTMMDCHW2905/31/2002Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELKTONNOCLLIKNOWN02/06/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-3MDCOMCAST IP PHONE, LLC318JELKTONBLTMMDCHXFX10/27/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELKTONNOCLLIKNOWN10/12/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELKTONCLMAMDORGT001/12/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-6MDBANDWIDTH.COM CLEC, LLC - MD071FELKTONNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-7MDCOMCAST IP PHONE, LLC318JELKTONBLTMMDCHXFX02/15/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-8MDBANDWIDTH.COM CLEC, LLC - MD071FELKTONNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-406-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ELKTONBLTMMDFMDS0N/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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