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.

NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-567 A Vashon WA VSHNWAXBRS1  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
206-567 0 Vashon WA VSHNWAXBRS1  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
206-567 1 Vashon WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-567 2 Vashon WA   483E ONVOY, LLC - WA 674   2008-07-12   
206-567 3 Vashon WA   483E ONVOY, LLC - WA 674   2008-07-12   
206-567 4 Vashon WA VSHNWAXBRS1  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
206-567 5 Vashon WA VSHNWAXBRS1  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
206-567 6 Vashon WA VSHNWAXBRS1  2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 674      
206-567 7 Vashon WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2015-05-20   
206-567 8 Vashon WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2019-01-18   
206-567 9 Vashon WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-10-02   

Last updated: Wed, 01 Jan 2025 02:39:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.