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: OMAKWA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-422 A Omak WA 9638 QWEST CORPORATION 676      
509-826 A Omak WA 9638 QWEST CORPORATION 676      
509-846 A Omak WA 9638 QWEST CORPORATION 676      
509-846 0 Omak WA 9638 QWEST CORPORATION 676      
509-846 1 Omak WA 9638 QWEST CORPORATION 676      
509-846 2 Omak WA 9638 QWEST CORPORATION 676      
509-846 8 Omak WA 9638 QWEST CORPORATION 676      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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