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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-581 A Ohatchee AL BRHMALHWX8X  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476      
256-581 0 Ohatchee AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476      
256-581 1 Ohatchee AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476      
256-581 2 Ohatchee AL   145J TERRA NOVA TELECOM INC. 476      
256-581 3 Ohatchee AL BRHMALMT88Z  516C AT&T CORP. 476      
256-581 4 Ohatchee AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476      
256-581 5 Ohatchee AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476      
256-581 6 Ohatchee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-581 7 Ohatchee AL BRHMALMT84Z  508J CENTURYLINK COMMUNICATIONS, LLC 476      
256-581 8 Ohatchee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-581 9 Ohatchee AL BRHMALHWX8X  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.