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: MOBLALAZ35Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-800 4 Mobile AL 829J PAETEC ITEL, LLC 480   2016-08-19   
251-800 5 Mobile AL 829J PAETEC ITEL, LLC 480   2016-08-19   
251-829 1 Mount Vernon AL 829J PAETEC ITEL, LLC 480   2008-06-13   
251-929 5 Fairhope AL 829J PAETEC ITEL, LLC 480   2012-01-23   
251-957 7 Irvington-St Elmo AL 829J PAETEC ITEL, LLC 480   2009-10-31   
850-724 5 Century FL 829J PAETEC ITEL, LLC 480   2011-04-05   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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