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.
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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-376 A Red Bay AL HNVIALUNXYY  058J IDT AMERICA CORP. - AL 477      
256-376 0 Red Bay AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2019-04-20   
256-376 1 Red Bay AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2019-06-14   
256-376 2 Red Bay AL HNVIALUNXYY  058J IDT AMERICA CORP. - AL 477   2017-08-25   
256-376 3 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2020-06-21   
256-376 4 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2020-06-21   
256-376 5 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-01-22   
256-376 6 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-01-22   
256-376 7 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-01-22   
256-376 8 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-01-22   
256-376 9 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-01-22   

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

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