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.

Chimacum/Center, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-732 A CNTRWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 674      
360-732 0 CNTRWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 674      
360-732 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-06-26   
360-732 2 TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674   2013-12-27   
360-732 3 PTORWACYDS0  937F ASTOUND BROADBAND, LLC - WA 674   2019-10-26   
360-732 4 CNTRWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 674      
360-732 5 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2022-10-16   
360-732 6 STTLWAWB28Z  490J BOOST SUBSCRIBERCO L.L.C. 674   2023-07-24   
360-732 7 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-732 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-07-01   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.