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: CLVLWA01DS1

Remotes:

Switch Switch name Switch type
NPRTWA01RS0  NORTHPORT  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-684 A Colville WA 9638 QWEST CORPORATION 676      
509-685 A Colville WA 9638 QWEST CORPORATION 676      
509-685 0 Colville WA 9638 QWEST CORPORATION 676      
509-685 1 Colville WA 9638 QWEST CORPORATION 676      
509-685 2 Colville WA 9638 QWEST CORPORATION 676      
509-685 4 Colville WA 9638 QWEST CORPORATION 676   2015-09-03   
509-685 5 Colville WA 9638 QWEST CORPORATION 676      
509-685 6 Colville WA 9638 QWEST CORPORATION 676      
509-685 9 Colville WA 9638 QWEST CORPORATION 676      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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