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: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-568 A Ranburne AL BWDNGAMARS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
256-568 0 Ranburne AL ATLNGABUXZY  072F BANDWIDTH.COM CLEC, LLC - AL 438   2012-01-09   
256-568 1 Ranburne AL ATLNGAQSDS8  604E ONVOY, LLC - AL 438   2019-02-07   
256-568 2 Ranburne AL BWDNGAMARS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
256-568 3 Ranburne AL BWDNGAMARS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
256-568 4 Ranburne AL ATLNGATLFMD  516C AT&T CORP. 438   2011-02-03   
256-568 5 Ranburne AL   145J TERRA NOVA TELECOM INC. 438   2022-06-04   
256-568 6 Ranburne AL ATLNGABUXZY  072F BANDWIDTH.COM CLEC, LLC - AL 438   2014-08-07   
256-568 7 Ranburne AL BWDNGAMARS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
256-568 8 Ranburne AL ATLNGABUXZY  072F BANDWIDTH.COM CLEC, LLC - AL 438   2015-05-10   
256-568 9 Ranburne AL ATLNGAMQX4X  145J TERRA NOVA TELECOM INC. 438   2022-12-17   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.