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: BRHMALMTYDX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
205-460 0 Birmingham AL 478J NUSO, LLC 476   2024-01-17   
659-202 3 Birmingham AL 478J NUSO, LLC 476   2024-01-23   
659-208 A Birmingham AL 478J NUSO, LLC 476      
659-208 1 Birmingham AL 478J NUSO, LLC 476   2020-11-19   
659-275 1 Birmingham AL 478J NUSO, LLC 476   2024-06-19   
659-275 4 Birmingham AL 478J NUSO, LLC 476   2024-07-06   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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