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.
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Switch: CLFXWA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-397 A Colfax WA 9638 QWEST CORPORATION 676      
509-397 0 Colfax WA 9638 QWEST CORPORATION 676      
509-397 1 Colfax WA 9638 QWEST CORPORATION 676      
509-397 2 Colfax WA 9638 QWEST CORPORATION 676      
509-397 3 Colfax WA 9638 QWEST CORPORATION 676      
509-397 4 Colfax WA 9638 QWEST CORPORATION 676      
509-397 5 Colfax WA 9638 QWEST CORPORATION 676      
509-397 6 Colfax WA 9638 QWEST CORPORATION 676      
509-397 9 Colfax WA 9638 QWEST CORPORATION 676      

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

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