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: HNVIALUNXTZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-813 0 Hazel Green AL 829J PAETEC ITEL, LLC 477      
256-813 1 Hazel Green AL 829J PAETEC ITEL, LLC 477      
256-813 2 Hazel Green AL 829J PAETEC ITEL, LLC 477      
256-813 6 Hazel Green AL 829J PAETEC ITEL, LLC 477      
256-850 A Madison AL 829J PAETEC ITEL, LLC 477      
256-850 9 Madison AL 829J PAETEC ITEL, LLC 477      
256-887 A Hanceville AL 829J PAETEC ITEL, LLC 477      
256-887 0 Hanceville AL 829J PAETEC ITEL, LLC 477      
256-970 A Huntsville AL 829J PAETEC ITEL, LLC 477      
256-970 1 Huntsville AL 829J PAETEC ITEL, LLC 477   2010-04-11   
256-970 2 Huntsville AL 829J PAETEC ITEL, LLC 477   2012-05-17   
256-970 3 Huntsville AL 829J PAETEC ITEL, LLC 477   2013-11-21   
256-978 1 Sheffield AL 829J PAETEC ITEL, LLC 477   2011-01-18   
938-207 A Huntsville AL 829J PAETEC ITEL, LLC 477      
938-207 1 Huntsville AL 829J PAETEC ITEL, LLC 477   2022-05-30   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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