Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-401 A Sylacauga AL BRHMALMTYRX  829J PAETEC ITEL, LLC 476      
256-401 0 Sylacauga AL   829J PAETEC ITEL, LLC 476      
256-401 1 Sylacauga AL   829J PAETEC ITEL, LLC 476      
256-401 2 Sylacauga AL   829J PAETEC ITEL, LLC 476      
256-401 3 Sylacauga AL   829J PAETEC ITEL, LLC 476      
256-401 4 Sylacauga AL   829J PAETEC ITEL, LLC 476      
256-401 5 Sylacauga AL   7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476   2011-03-10   
256-401 6 Sylacauga AL   829J PAETEC ITEL, LLC 476      
256-401 7 Sylacauga AL   072F BANDWIDTH.COM CLEC, LLC - AL 476   2011-08-01   
256-401 8 Sylacauga AL   829J PAETEC ITEL, LLC 476   2013-07-29   
256-401 9 Sylacauga AL   072F BANDWIDTH.COM CLEC, LLC - AL 476   2014-03-22   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.