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.

Morton, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-492 A MRTNWAXXDS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-492 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2009-12-06   
360-492 2   483E ONVOY, LLC - WA 674   2016-02-09   
360-492 3   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-492 4   483E ONVOY, LLC - WA 674   2017-09-14   
360-492 5   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-492 6   508J CENTURYLINK COMMUNICATIONS, LLC 674   2013-12-27   
360-492 7   937F ASTOUND BROADBAND, LLC - WA 674   2012-04-30   
360-492 8   6529 T-MOBILE USA, INC. 674   2025-04-20   
360-492 9   5562 METROPCS, INC. 674   2025-05-04   
360-494 A PCKWWAXXRS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 0   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 2   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 4   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 5   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 6   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 7   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-494 9   145J TERRA NOVA TELECOM INC. 674   2025-07-11   
360-496 A MRTNWAXXDS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-496 0   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-496 1   6270 UNITED STATES CELLULAR - WA 674   2005-12-07   
360-496 3   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-496 4   6270 UNITED STATES CELLULAR - WA 674   2011-10-07   
360-496 5   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-496 6   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-496 8   6270 UNITED STATES CELLULAR - WA 674   2005-12-07   
360-497 A RANDWAXXRS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-497 0   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-497 2   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-497 3   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-497 5   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-497 7   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-498 A MRTNWAXXDS0  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-498 1   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2019-12-27   
360-498 5   2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
360-498 7   483E ONVOY, LLC - WA 674   2008-02-04   
360-498 8   663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2009-04-24   
360-646 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
360-646 2   483E ONVOY, LLC - WA 674   2021-06-26   
360-646 3   483E ONVOY, LLC - WA 674   2021-06-26   
360-646 8   483E ONVOY, LLC - WA 674   2010-10-09   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.