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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-403 A Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 0 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 1 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 2 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 3 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 4 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 5 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 6 Anniston AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-403 7 Anniston AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476   2010-04-17   
256-403 8 Anniston AL ANTNAL073MD  6664 SPRINT SPECTRUM, L.P. 476   2011-10-09   
256-403 9 Anniston AL   7475 POWERTEL BIRMINGHAM LICENSES, INC. DBA T-MOBILE USA 476   2022-06-09   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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