Mercer Island Zip Codes - King County WA

Mercer Island, WA Zip Code Map

Mercer Island, WA is a city located in King County, Washington and has a land area of 6.38 square miles (16.52 km2). The water area for the city is 6.52 square miles or 16.89 km2. There is one unique zip code in Mercer Island, Washington and it is 98040. The area code(s) for Mercer Island is 206.

Zip Codes for Mercer Island, WA (1)
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98040 Mercer Island King

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