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: WRDNWA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-349 A Warden WA 9638 QWEST CORPORATION 676      
509-349 0 Warden WA 9638 QWEST CORPORATION 676      
509-349 1 Warden WA 9638 QWEST CORPORATION 676      
509-349 2 Warden WA 9638 QWEST CORPORATION 676      
509-349 7 Warden WA 9638 QWEST CORPORATION 676      
509-349 8 Warden WA 9638 QWEST CORPORATION 676      
509-349 9 Warden WA 9638 QWEST CORPORATION 676      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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