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: BRHMALHRFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
205-287 6 Clanton AL 145J TERRA NOVA TELECOM INC. 476   2026-06-05   
256-635 3 Valley Head AL 145J TERRA NOVA TELECOM INC. 476   2025-07-20   
256-900 A Gadsden AL 145J TERRA NOVA TELECOM INC. 476      
659-312 0 Birmingham AL 145J TERRA NOVA TELECOM INC. 476   2026-06-15   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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