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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-644 A Jacksonville AL BRHMALMTYRX  829J PAETEC ITEL, LLC 476      
256-644 0 Jacksonville AL   829J PAETEC ITEL, LLC 476      
256-644 1 Jacksonville AL   829J PAETEC ITEL, LLC 476      
256-644 2 Jacksonville AL   829J PAETEC ITEL, LLC 476      
256-644 3 Jacksonville AL   829J PAETEC ITEL, LLC 476      
256-644 4 Jacksonville AL   7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476   2010-12-15   
256-644 5 Jacksonville AL   516C AT&T CORP. 476   2009-08-11   
256-644 6 Jacksonville AL   829J PAETEC ITEL, LLC 476      
256-644 7 Jacksonville AL   072F BANDWIDTH.COM CLEC, LLC - AL 476   2011-02-17   
256-644 8 Jacksonville AL   829J PAETEC ITEL, LLC 476      
256-644 9 Jacksonville AL   829J PAETEC ITEL, LLC 476      

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

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