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: STTLWA06DS6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-205 A Seattle WA 9638 QWEST CORPORATION 674      
206-215 A Seattle WA 9638 QWEST CORPORATION 674      
206-220 A Seattle WA 9638 QWEST CORPORATION 674      
206-233 A Seattle WA 9638 QWEST CORPORATION 674      
206-263 A Seattle WA 9638 QWEST CORPORATION 674      
206-292 A Seattle WA 9638 QWEST CORPORATION 674      
206-296 A Seattle WA 9638 QWEST CORPORATION 674      
206-303 A Seattle WA 9638 QWEST CORPORATION 674      
206-343 A Seattle WA 9638 QWEST CORPORATION 674      
206-345 A Seattle WA 9638 QWEST CORPORATION 674      
206-346 A Seattle WA 9638 QWEST CORPORATION 674      
206-370 A Seattle WA 9638 QWEST CORPORATION 674      
206-373 A Seattle WA 9638 QWEST CORPORATION 674      
206-386 A Seattle WA 9638 QWEST CORPORATION 674      
206-398 A Seattle WA 9638 QWEST CORPORATION 674      
206-477 A Seattle WA 9638 QWEST CORPORATION 674   2012-04-18   
206-553 A Seattle WA 9638 QWEST CORPORATION 674      
206-622 A Seattle WA 9638 QWEST CORPORATION 674      
206-628 A Seattle WA 9638 QWEST CORPORATION 674      
206-684 A Seattle WA 9638 QWEST CORPORATION 674      
206-689 A Seattle WA 9638 QWEST CORPORATION 674      
206-808 A Seattle WA 9638 QWEST CORPORATION 674      
206-982 A Seattle WA 9638 QWEST CORPORATION 674      
206-991 A Seattle WA 9638 QWEST CORPORATION 674      
206-995 A Seattle WA 9638 QWEST CORPORATION 674      

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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