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.

Switch: SMMSAL13DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
205-582 1 Birmingham AL 736D CALLIS COMMUNICATIONS, INC. - AL 476   2013-06-21   
228-295 7 Biloxi MS 606E CALLIS COMMUNICATIONS, INC. - MS 484   2008-05-18   
228-687 1 Gulfport MS 606E CALLIS COMMUNICATIONS, INC. - MS 484   2007-08-26   
251-210 1 Fairhope AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2006-07-15   
251-241 2 Brewton AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2013-07-27   
251-281 1 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2008-11-02   
251-287 8 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2010-08-17   
251-300 2 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2007-07-24   
251-300 3 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2006-06-29   
251-300 6 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2009-11-25   
251-380 7 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2011-05-03   
251-380 8 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2011-05-03   
251-424 1 Foley AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2008-09-21   
251-425 A Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480      
251-444 1 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2015-05-16   
251-459 6 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2012-12-11   
251-459 8 Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2012-12-11   
251-638 A Mobile AL 736D CALLIS COMMUNICATIONS, INC. - AL 480      
251-829 8 Mount Vernon AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2009-04-19   
251-866 1 Citronelle AL 736D CALLIS COMMUNICATIONS, INC. - AL 480   2006-10-07   
601-909 1 Hattiesburg MS 606E CALLIS COMMUNICATIONS, INC. - MS 482   2010-03-19   
850-696 1 Pensacola FL 838E CALLIS COMMUNICATIONS, INC. - FL 44813   2007-11-30   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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