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: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-266 A Centre AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476      
256-266 0 Centre AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476      
256-266 1 Centre AL BRHNALWN0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 476   2012-07-15   
256-266 2 Centre AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-19   
256-266 3 Centre AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476      
256-266 4 Centre AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476      
256-266 5 Centre AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-19   
256-266 6 Centre AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-19   
256-266 7 Centre AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-19   
256-266 8 Centre AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-19   
256-266 9 Centre AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.