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: 417

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-417 A Huntsville AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-417 0 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2005-08-14   
256-417 1 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2007-03-02   
256-417 2 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2004-07-19   
256-417 3 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2005-09-08   
256-417 4 Huntsville AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-417 5 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2004-09-03   
256-417 6 Huntsville AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477   2004-09-09   
256-417 7 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2004-10-17   
256-417 8 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2007-09-02   
256-417 9 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2007-05-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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