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: HSKLTXXAPS0

Remotes:

Switch Switch name Switch type
ASPRTXXARP0  ASPERMONT  RP 
ROCHTXXARP0  ROCHESTER  RP 
RULETXXARP0  RULE  RP 
WNRTTXXARP0  WEINERT  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-402 A Haskell TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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