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: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-645 A Piedmont AL BRHMALMTYRX  829J PAETEC ITEL, LLC 476      
256-645 0 Piedmont AL   829J PAETEC ITEL, LLC 476      
256-645 1 Piedmont AL   829J PAETEC ITEL, LLC 476      
256-645 2 Piedmont AL   829J PAETEC ITEL, LLC 476      
256-645 3 Piedmont AL   516C AT&T CORP. 476   2010-10-31   
256-645 4 Piedmont AL   072F BANDWIDTH.COM CLEC, LLC - AL 476   2015-05-10   
256-645 5 Piedmont AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476   2011-06-20   
256-645 6 Piedmont AL   829J PAETEC ITEL, LLC 476      
256-645 7 Piedmont AL   508J CENTURYLINK COMMUNICATIONS, LLC 476   2014-03-25   
256-645 8 Piedmont AL   604E ONVOY, LLC - AL 476   2016-03-14   
256-645 9 Piedmont AL   604E ONVOY, LLC - AL 476   2016-03-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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