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: FBNSTXXCPS0

Remotes:

Switch Switch name Switch type
FBNSTXXCRP0  FABENS  DLM 
FTHNTXXCRP0  FORT HANCOCK  RP 
FTHNTXXCRS0  FORT HANCOCK  1RE 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-223 A Fabens TX 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 540      
915-223 9 Fabens TX 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 540   2015-08-29   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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