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: 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: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.