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: RNTNWA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-772 A Seattle WA 9638 QWEST CORPORATION 674      
425-203 A Renton WA 9638 QWEST CORPORATION 674      
425-204 A Renton WA 9638 QWEST CORPORATION 674      
425-226 A Renton WA 9638 QWEST CORPORATION 674      
425-227 A Renton WA 9638 QWEST CORPORATION 674      
425-228 A Renton WA 9638 QWEST CORPORATION 674      
425-234 A Renton WA 9638 QWEST CORPORATION 674      
425-235 A Renton WA 9638 QWEST CORPORATION 674      
425-254 A Renton WA 9638 QWEST CORPORATION 674      
425-255 A Renton WA 9638 QWEST CORPORATION 674      
425-271 A Renton WA 9638 QWEST CORPORATION 674      
425-277 A Renton WA 9638 QWEST CORPORATION 674      
425-430 A Renton WA 9638 QWEST CORPORATION 674      
425-687 A Renton WA 9638 QWEST CORPORATION 674      
425-793 A Renton WA 9638 QWEST CORPORATION 674      
425-917 A Renton WA 9638 QWEST CORPORATION 674      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.