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: FRFXOKXAPS0

Remotes:

Switch Switch name Switch type
FRFXOKXARP0  FAIRFAX  DLM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
539-214 A Fairfax OK 1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      
539-214 9 Fairfax OK 1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538   2018-06-14   

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

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