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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-580 A Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 0 Decatur AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-07-12   
256-580 1 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2019-11-08   
256-580 2 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 3 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 4 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 5 Decatur AL HNVIAL967MD  516C AT&T CORP. 477   2010-07-28   
256-580 6 Decatur AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2011-06-18   
256-580 7 Decatur AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2011-06-18   
256-580 8 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 9 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.