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.
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Switch: MOBLALAZXIZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-366 A Mobile AL 6581 CELLULAR SOUTH, INC. 480      
251-367 A Mobile AL 6581 CELLULAR SOUTH, INC. 480      
251-550 A Foley AL 6581 CELLULAR SOUTH, INC. 480      

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

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