Coupeville, WA is a city located in Island County, Washington and has a land area of 31.03 square miles (80.37 km2). The water area for the city is 13.89 square miles or 35.97 km2. There is one unique zip code in Coupeville, Washington and it is 98239. The area code(s) for Coupeville is 360/564.
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