Seattle, WA is currently using one area code which is area code 206. Area Code 206 was the original area code assigned to cover all of the state of Washington in 1947.
In addition to Seattle, WA area code 206 serves much of the Seattle metropolitian area and includes the larger communities of Bainbridge Island, Burien, Des Moines, Mercer Island, Seattle, Shoreline, and White Center in addition to many smaller communities.
Seattle, WA is located in King County and observes the Pacific Time Zone. View our Times by Area Code tool.