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: GLTTWYMADS0

Remotes:

Switch Switch name Switch type
WRGHWYMARS1  WRIGHT CITY  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-670 6 Gillette WY 9636 QWEST CORPORATION 654   2008-01-28   
307-682 A Gillette WY 9636 QWEST CORPORATION 654      
307-685 A Gillette WY 9636 QWEST CORPORATION 654      
307-686 A Gillette WY 9636 QWEST CORPORATION 654      
307-687 A Gillette WY 9636 QWEST CORPORATION 654      
307-688 A Gillette WY 9636 QWEST CORPORATION 654      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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