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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
256-320ALMETROPCS, INC. (T-Mobile US, Inc)5562SHEFFIELDHNVIAL03CM101/29/2001Prefix Type: PCS
Switch Name: HUNTSVILLE
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
Thousands block for 256-320
256-320-0ALSOUTHERN COMMUNICATIONS SERVICES, INC.6744SHEFFIELDNOCLLIKNOWN07/13/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-1ALLEVEL 3 COMMUNICATIONS, LLC - AL (CenturyLink, Inc)5255SHEFFIELDNOCLLIKNOWN02/21/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-2ALLEVEL 3 COMMUNICATIONS, LLC - AL (CenturyLink, Inc)5255SHEFFIELDNOCLLIKNOWN08/26/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-3ALMETROPCS, INC. (T-Mobile US, Inc)5562SHEFFIELDHNVIAL03CM1N/APrefix Type: PCS
Switch Name: HUNTSVILLE
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-4ALMCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL7469SHEFFIELDHNVIAL180MD03/22/2007Prefix Type: CLEC
Switch Name: HUNTSVILLE
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-5ALCOMCAST IP PHONE, LLC318JSHEFFIELDHNVIALUNX7Z02/21/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-6ALAT&T - LOCAL (AT&T)7421SHEFFIELDNOCLLIKNOWN05/26/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-7ALCOMCAST IP PHONE, LLC318JSHEFFIELDHNVIALUNX7Z10/14/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-8ALMETROPCS, INC. (T-Mobile US, Inc)5562SHEFFIELDHNVIAL03CM109/26/2006Prefix Type: PCS
Switch Name: HUNTSVILLE
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
256-320-9ALPOWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)7475SHEFFIELDNOCLLIKNOWNN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
Detailed Switch Info
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