Copalis Beach, WA is a city located in Grays Harbor County, Washington and has a land area of 20.02 square miles (51.85 km2). The water area for the city is 1.45 square miles or 3.76 km2. There is one unique zip code in Copalis Beach, Washington and it is 98535. The area code(s) for Copalis Beach is 360/564.
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