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: 517

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-517 A Fairhope AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480      
251-517 0 Fairhope AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2005-02-07   
251-517 1 Fairhope AL MOBLAL971MD  4839 US LEC OF ALABAMA, INC. 480   2003-08-27   
251-517 3 Fairhope AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2010-08-28   
251-517 4 Fairhope AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480      
251-517 5 Fairhope AL MOBLAL41DS0  9826 HARBOR COMMUNICATIONS, LLC - AL 480   2005-07-18   
251-517 6 Fairhope AL MOBLAL971MD  9236 NETWORK TELEPHONE CORPORATION - AL 480   2005-05-19   
251-517 7 Fairhope AL MOBLALMTX7X  516C AT&T CORP. 480   2009-06-11   
251-517 8 Fairhope AL MOBLAL971MD  7598 NEWSOUTH COMMUNICATIONS, INC. DBA UNIVERSALCOM FL 480   2009-10-10   
251-517 9 Fairhope AL MOBLALAZXJZ  773F MCC TELEPHONY OF THE SOUTH, LLC - AL 480   2010-07-02   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.