Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-578 A Red Bay AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-578 0 Red Bay AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-578 1 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-11   
256-578 2 Red Bay AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-578 3 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-03-14   
256-578 4 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-03-14   
256-578 5 Red Bay AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2021-02-20   
256-578 6 Red Bay AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-578 7 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-578 8 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-578 9 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   

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

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