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: STTLWAWEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-913 A Seattle WA 9638 QWEST CORPORATION 674      
206-913 0 Seattle WA 9638 QWEST CORPORATION 674      
206-923 A Seattle WA 9638 QWEST CORPORATION 674      
206-923 0 Seattle WA 9638 QWEST CORPORATION 674      
206-923 1 Seattle WA 9638 QWEST CORPORATION 674      
206-923 2 Seattle WA 9638 QWEST CORPORATION 674      
206-923 3 Seattle WA 9638 QWEST CORPORATION 674      
206-923 4 Seattle WA 9638 QWEST CORPORATION 674      
206-923 5 Seattle WA 9638 QWEST CORPORATION 674      
206-923 6 Seattle WA 9638 QWEST CORPORATION 674      
206-932 A Seattle WA 9638 QWEST CORPORATION 674      
206-933 A Seattle WA 9638 QWEST CORPORATION 674      
206-935 A Seattle WA 9638 QWEST CORPORATION 674      
206-937 A Seattle WA 9638 QWEST CORPORATION 674      
206-938 A Seattle WA 9638 QWEST CORPORATION 674      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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