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: STTLWADUDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-544 A Seattle WA 9638 QWEST CORPORATION 674      
206-544 4 Seattle WA 9638 QWEST CORPORATION 674      
206-658 A Seattle WA 9638 QWEST CORPORATION 674      
206-658 0 Seattle WA 9638 QWEST CORPORATION 674      
206-658 1 Seattle WA 9638 QWEST CORPORATION 674      
206-658 4 Seattle WA 9638 QWEST CORPORATION 674      
206-658 6 Seattle WA 9638 QWEST CORPORATION 674      
206-658 8 Seattle WA 9638 QWEST CORPORATION 674      
206-658 9 Seattle WA 9638 QWEST CORPORATION 674      
206-716 A Seattle WA 9638 QWEST CORPORATION 674      
206-762 A Seattle WA 9638 QWEST CORPORATION 674      
206-763 A Seattle WA 9638 QWEST CORPORATION 674      
206-764 A Seattle WA 9638 QWEST CORPORATION 674      
206-766 A Seattle WA 9638 QWEST CORPORATION 674      
206-766 1 Seattle WA 9638 QWEST CORPORATION 674      
206-766 2 Seattle WA 9638 QWEST CORPORATION 674      
206-766 3 Seattle WA 9638 QWEST CORPORATION 674      
206-766 4 Seattle WA 9638 QWEST CORPORATION 674      
206-766 5 Seattle WA 9638 QWEST CORPORATION 674      
206-766 6 Seattle WA 9638 QWEST CORPORATION 674      
206-766 7 Seattle WA 9638 QWEST CORPORATION 674      
206-766 8 Seattle WA 9638 QWEST CORPORATION 674      
206-766 9 Seattle WA 9638 QWEST CORPORATION 674      
206-767 A Seattle WA 9638 QWEST CORPORATION 674      
206-768 A Seattle WA 9638 QWEST CORPORATION 674      
206-934 2 Seattle WA 9638 QWEST CORPORATION 674   2011-08-16   
206-934 3 Seattle WA 9638 QWEST CORPORATION 674   2011-08-16   
206-934 5 Seattle WA 9638 QWEST CORPORATION 674   2011-09-26   
206-934 6 Seattle WA 9638 QWEST CORPORATION 674   2011-09-26   
206-934 7 Seattle WA 9638 QWEST CORPORATION 674   2011-08-16   
206-934 8 Seattle WA 9638 QWEST CORPORATION 674   2011-08-16   

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

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