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: BRHMALHR8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
205-899 A Birmingham AL 939H COMMIO, LLC 476      
334-919 A Andalusia AL 939H COMMIO, LLC 478   2024-04-04   
334-920 A Linden AL 939H COMMIO, LLC 478   2024-04-04   
659-242 A Alabaster AL 939H COMMIO, LLC 476      
659-245 A Vernon AL 939H COMMIO, LLC 476      
659-288 A Birmingham AL 939H COMMIO, LLC 476   2024-04-04   
659-289 A Tuscaloosa AL 939H COMMIO, LLC 476   2024-04-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.