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: STTLWASUDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-297 A Seattle WA 9638 QWEST CORPORATION 674      
206-706 A Seattle WA 9638 QWEST CORPORATION 674      
206-781 A Seattle WA 9638 QWEST CORPORATION 674      
206-782 A Seattle WA 9638 QWEST CORPORATION 674      
206-783 A Seattle WA 9638 QWEST CORPORATION 674      
206-784 A Seattle WA 9638 QWEST CORPORATION 674      
206-788 A Seattle WA 9638 QWEST CORPORATION 674      
206-788 0 Seattle WA 9638 QWEST CORPORATION 674      
206-788 2 Seattle WA 9638 QWEST CORPORATION 674      
206-788 9 Seattle WA 9638 QWEST CORPORATION 674      
206-789 A Seattle WA 9638 QWEST CORPORATION 674      

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

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