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: MOBLALAZXSY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-279 A Fairhope AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480      
251-309 A Bayou La Batre AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480      
251-437 A Foley AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480      
251-492 A Gilbertown AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480   2024-12-09   
251-509 A Mobile AL 8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480      
850-706 A Century FL 8300 TELEPORT COMMUNICATIONS AMERICA, LLC - FL 480      
850-761 A Walnut Hill FL 8300 TELEPORT COMMUNICATIONS AMERICA, LLC - FL 480      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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