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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-254 A Mentone AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-254 0 Mentone AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-254 1 Mentone AL BRHMAL16CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 476   2008-12-15   
256-254 2 Mentone AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-254 3 Mentone AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-254 4 Mentone AL BRHMALMTY2X  073H TELNYX LLC 476   2020-05-02   
256-254 5 Mentone AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2018-09-23   
256-254 6 Mentone AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-254 7 Mentone AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2014-03-27   
256-254 8 Mentone AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-254 9 Mentone AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.