Area Code 206 January 18, 2021 allcitycodes Telephone Codes 0 Where is area code 206 located? Below you will find a list of all cities covered by area code 206 in Washington. Bainbridge Island, WA Burton, WA Mercer Island, WA Rollingbay, WA Seahurst, WA Vashon, WA Related Posts Bhutan Area Code Area Code 774 West Virginia Area Codes Guyana Area Code Area Code 626 Michigan Area Codes Area Code 925 Area Code 870