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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-391 A Sylacauga AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-391 0 Sylacauga AL BRHMALHR6MD  5562 METROPCS, INC. 476   2016-05-02   
256-391 1 Sylacauga AL BRHMALMT38Z  348E YMAX COMMUNICATIONS CORP. - AL 476   2008-06-05   
256-391 2 Sylacauga AL BRHMAL16CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 476   2004-08-08   
256-391 3 Sylacauga AL BRHMALMT38Z  348E YMAX COMMUNICATIONS CORP. - AL 476   2008-06-05   
256-391 4 Sylacauga AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2017-06-01   
256-391 5 Sylacauga AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2007-09-15   
256-391 6 Sylacauga AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2007-09-15   
256-391 7 Sylacauga AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2006-01-27   
256-391 8 Sylacauga AL BRHMALMT38Z  348E YMAX COMMUNICATIONS CORP. - AL 476   2008-06-05   
256-391 9 Sylacauga AL BRHMALMT38Z  348E YMAX COMMUNICATIONS CORP. - AL 476   2008-06-05   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.