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: STTLWALADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-517 A Seattle WA 9638 QWEST CORPORATION 674      
206-522 A Seattle WA 9638 QWEST CORPORATION 674      
206-523 A Seattle WA 9638 QWEST CORPORATION 674      
206-524 A Seattle WA 9638 QWEST CORPORATION 674      
206-525 A Seattle WA 9638 QWEST CORPORATION 674      
206-526 A Seattle WA 9638 QWEST CORPORATION 674      
206-527 A Seattle WA 9638 QWEST CORPORATION 674      
206-528 A Seattle WA 9638 QWEST CORPORATION 674      
206-529 A Seattle WA 9638 QWEST CORPORATION 674      
206-529 0 Seattle WA 9638 QWEST CORPORATION 674      
206-529 1 Seattle WA 9638 QWEST CORPORATION 674      
206-529 2 Seattle WA 9638 QWEST CORPORATION 674      
206-529 6 Seattle WA 9638 QWEST CORPORATION 674      
206-529 8 Seattle WA 9638 QWEST CORPORATION 674      
206-529 9 Seattle WA 9638 QWEST CORPORATION 674      
206-729 A Seattle WA 9638 QWEST CORPORATION 674      
206-884 A Seattle WA 9638 QWEST CORPORATION 674      
206-985 A Seattle WA 9638 QWEST CORPORATION 674      
206-987 A Seattle WA 9638 QWEST CORPORATION 674      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.