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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-317 A Bainbridge Island WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-317 0 Bainbridge Island WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-317 1 Bainbridge Island WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-13   
206-317 2 Bainbridge Island WA STTNWAHODSE  329E YMAX COMMUNICATIONS CORP. - WA 674   2010-12-23   
206-317 3 Bainbridge Island WA STTNWAHODSE  329E YMAX COMMUNICATIONS CORP. - WA 674   2010-12-23   
206-317 4 Bainbridge Island WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2011-06-24   
206-317 5 Bainbridge Island WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2013-04-19   
206-317 6 Bainbridge Island WA STTLWA03X1X  318J COMCAST IP PHONE LLC 674   2013-08-15   
206-317 7 Bainbridge Island WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2013-11-14   
206-317 8 Bainbridge Island WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2014-06-25   
206-317 9 Bainbridge Island WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2014-09-02   

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.