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: ANTNALMT2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-689 4 Anniston AL 732J NUSO, LLC 476   2025-01-04   
256-982 A Anniston AL 732J NUSO, LLC 476      
256-982 1 Anniston AL 732J NUSO, LLC 476   2022-11-16   
659-306 8 Birmingham AL 732J NUSO, LLC 476   2024-11-12   
659-306 9 Birmingham AL 732J NUSO, LLC 476   2024-11-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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