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: CSVLALXA1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-524 9 Collinsville AL 947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476   2010-11-06   
256-526 0 Leesburg AL 947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476   2015-06-07   
256-925 A Crossville AL 947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476      
256-925 0 Crossville AL 947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476   2009-06-21   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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