Area Code 206
Area code 206 is in Washington (All of Bainbridge, Mercer, and Vashon Islands, and the cities of Burien, Des Moines, Lake Forest Park, Normandy Park, Seattle, Sea-Tac, Shoreline, and Tukwila and some small unincorporated areas adjacent to these cities, also, parts of the cities of Woodway and Edmonds).
Exchange 206-338
Exchange 338 is in or around Seattle, WA. (King County, Zipcode 98119)
From whitepages.com:
206) 338-2872 Type: Land Line
Provider: International Telcom, Ltd
Location: Seattle, WA - James St., between 4th and 5th Streets.