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: 676

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-676 A Anniston AL BRHMAL41DS0  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476      
256-676 0 Anniston AL ANTNAL073MD  6664 SPRINT SPECTRUM, L.P. 476   2011-04-10   
256-676 1 Anniston AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2016-06-21   
256-676 2 Anniston AL BRHMAL41DS0  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476   2012-08-04   
256-676 3 Anniston AL BRHMAL41DS0  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476   2007-02-01   
256-676 4 Anniston AL BRHMAL41DS0  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476   2012-08-04   
256-676 5 Anniston AL BRHMAL41DS0  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 476   2012-08-04   
256-676 6 Anniston AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2016-06-21   
256-676 7 Anniston AL BRHMALMT84Z  508J CENTURYLINK COMMUNICATIONS LLC 476   2014-02-06   
256-676 8 Anniston AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2013-09-06   
256-676 9 Anniston AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2016-06-21   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.