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: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-488 A Delta AL DELTALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-488 0 Delta AL   604E ONVOY, LLC - AL 476   2019-01-18   
256-488 1 Delta AL   604E ONVOY, LLC - AL 476   2019-01-18   
256-488 2 Delta AL   792K CHARTER IP ENABLED SERVICES, LLC 476   2012-05-01   
256-488 3 Delta AL   604E ONVOY, LLC - AL 476   2020-06-20   
256-488 4 Delta AL   604E ONVOY, LLC - AL 476   2018-09-23   
256-488 5 Delta AL   9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-488 6 Delta AL   476F CORETEL ALABAMA, INC. - AL 476   2019-05-20   
256-488 7 Delta AL   476F CORETEL ALABAMA, INC. - AL 476   2019-05-20   
256-488 8 Delta AL   476F CORETEL ALABAMA, INC. - AL 476   2019-05-20   
256-488 9 Delta AL   9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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