Seattle Zip Codes - King County WA

Seattle, WA is a city located in King County, Washington and has a land area of 143.49 square miles (371.64 km2). The water area for the city is 27.90 square miles or 72.26 km2. There are 59 total unique zip codes in Seattle, Washington. The area code(s) for Seattle is 206/253/360/425/564.