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.

Winlock, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-368 A STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 0 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 1 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 2 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 3 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
360-368 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-368 5 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 6 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 7 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 8 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-368 9 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-785 A WNLCWA01DS0  9638 QWEST CORPORATION 674      
360-785 0 WNLCWA01DS0  9638 QWEST CORPORATION 674      
360-785 1 WNLCWA01DS0  9638 QWEST CORPORATION 674      
360-785 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
360-785 3 WNLCWA01DS0  9638 QWEST CORPORATION 674      
360-785 4 WNLCWA01DS0  9638 QWEST CORPORATION 674      
360-785 5 STTLWAWB19Z  663D ELTOPIA COMMUNICATIONS, LLC - WA 674      
360-785 6 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
360-785 7 WNLCWA01DS0  9638 QWEST CORPORATION 674      
360-785 8   145J TERRA NOVA TELECOM INC. 674      
360-785 9 WNLCWA01DS0  9638 QWEST CORPORATION 674      
564-633 A STTLWAWB24Z  516J TON80 COMMUNICATIONS, LLC 674      
564-633 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
564-633 3 STTLWAWB24Z  516J TON80 COMMUNICATIONS, LLC 674      
564-633 4 STTLWAWBDS1  483E ONVOY, LLC - WA 674      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.