Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Valley Head, AL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
256-635 A VYHDALXADS0  9789 CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK 476      
256-635 0 VYHDALXADS0  9789 CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK 476      
256-635 1 VYHDALXADS0  9789 CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK 476      
256-635 2 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2023-07-21   
256-635 4 BRHMALMTY4X  624H ONVOY SPECTRUM, LLC 476   2023-06-23   
256-635 5 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2022-11-28   
256-635 6 VYHDALXADS0  9789 CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK 476      
256-635 7 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2022-03-17   
256-635 8 BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476      
256-662 A VYHDALXA3MD  947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476      
256-662 0 VYHDALXA3MD  947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476   2012-04-22   
256-662 1 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2019-03-11   
256-662 2   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-662 3   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-662 4   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-662 5   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-662 6 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2018-09-23   
256-662 7 BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2014-03-27   
256-662 8 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2019-03-11   
256-662 9 BRHMALMTY2X  073H TELNYX LLC 476   2020-05-03   
256-674 A BRHMALMT32Z  604E ONVOY, LLC - AL 476   2024-02-19   
256-674 0 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2021-09-13   
256-674 1 BRHNALWN0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 476   2012-01-04   
256-674 2   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-674 3 BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2009-04-14   
256-674 4 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2020-09-14   
256-674 5 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2020-09-14   
256-674 6   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-674 7   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-674 8 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2020-09-14   
256-674 9 BRHMALMT32Z  604E ONVOY, LLC - AL 476   2021-06-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.