Local Calling Guide

Area code/prefix search

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

NXX: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-408 A Vashon WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-408 0 Vashon WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-09-11   
206-408 1 Vashon WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2007-03-04   
206-408 2 Vashon WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-03-11   
206-408 3 Vashon WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2017-10-08   
206-408 4 Vashon WA TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674   2016-05-08   
206-408 5 Vashon WA TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674   2013-12-30   
206-408 6 Vashon WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2019-07-26   
206-408 7 Vashon WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2005-04-04   
206-408 8 Vashon WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-408 9 Vashon WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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