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: HSKLTXXADS0

Remotes:

Switch Switch name Switch type
ASPRTXXARS0  ASPERMONT  RSC 
ROCHTXXARS0  ROCHESTER  RLC 
RULETXXARS0  RULE  1RE 
WNRTTXXAL01  WEINERT  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-864 A Haskell TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.