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: TRNYTXXAPS0

Remotes:

Switch Switch name Switch type
GVTNTXXARP0  GROVETON  RP 
GVTNTXXARS2  GROVETON  GTR 
TRNYTXXARP0  TRINITY  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
936-260 A Trinity TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 560      
936-260 9 Trinity TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 560   2015-04-17   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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