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: MOBLALEACM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-234 9 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2006-01-17   
251-442 4 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2006-05-03   
251-442 5 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2007-01-17   
251-447 1 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2009-03-13   
251-447 3 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2007-10-14   
251-447 4 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2007-10-14   
251-509 8 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2008-03-13   
251-509 9 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2008-03-13   
251-518 8 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2007-04-08   
251-518 9 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2007-04-08   
251-725 7 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2009-05-21   
251-725 8 Mobile AL 6581 CELLULAR SOUTH, INC. 480   2009-05-21   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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