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: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-866 A Citronelle AL CTRNALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-866 0 Citronelle AL CTRNALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-866 1 Citronelle AL SMMSAL13DS0  736D CALLIS COMMUNICATIONS, INC. - AL 480   2006-10-07   
251-866 2 Citronelle AL CTRNALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-866 3 Citronelle AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480   2023-03-19   
251-866 4 Citronelle AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480   2019-04-01   
251-866 5 Citronelle AL CTRNALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-866 6 Citronelle AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2008-04-28   
251-866 7 Citronelle AL CTRNALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-866 8 Citronelle AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480   2020-11-28   
251-866 9 Citronelle AL CTRNALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.