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: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-553 A Gadsden AL   5562 METROPCS, INC. 476      
256-553 0 Gadsden AL   7475 POWERTEL BIRMINGHAM LICENSES, INC. 476      
256-553 1 Gadsden AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2012-12-13   
256-553 2 Gadsden AL GDSDAL04CM1  5562 METROPCS, INC. 476   2006-06-11   
256-553 3 Gadsden AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2012-12-13   
256-553 4 Gadsden AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2014-02-16   
256-553 5 Gadsden AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2023-01-27   
256-553 6 Gadsden AL   145J TERRA NOVA TELECOM INC. 476   2024-02-11   
256-553 7 Gadsden AL GDSDAL04CM1  5562 METROPCS, INC. 476   2007-03-05   
256-553 9 Gadsden AL   7475 POWERTEL BIRMINGHAM LICENSES, INC. 476      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.