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: CFTNCONMDS0

Remotes:

Switch Switch name Switch type
DBEQCONCRS2  DEBEQUE  RSC 
PLSDCOMARS1  PALISADE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-434 A Grand Junction CO 9636 QWEST CORPORATION 656      
970-523 A Grand Junction CO 9636 QWEST CORPORATION 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.