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: HBRDTXXAPS0

Remotes:

Switch Switch name Switch type
BYNMTXXARP0  BYNUM  RP 
BYNMTXXARS0  BYNUM  1RC 
HBRDTXXARP0  HUBBARD  RSS 
IRENTXXARP0  IRENE  RP 
IRENTXXARS0  IRENE  RLC 
MALNTXXARP0  MALONE  RP 
MALNTXXARS0  MALONE  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-330 A Hubbard TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 556      
254-330 9 Hubbard TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 556   2015-09-01   

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

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