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: MOBLALMTX9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-464 A Beatrice AL 939H COMMIO, LLC 480      
251-466 A Huxford AL 939H COMMIO, LLC 480      
251-474 A McIntosh AL 939H COMMIO, LLC 480   2024-04-05   
251-481 A Mobile AL 939H COMMIO, LLC 480   2024-04-13   
251-520 A Mobile AL 939H COMMIO, LLC 480      
938-237 A Rockford AL 939H COMMIO, LLC 476   2024-04-05   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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