Rock Island Zip Codes - Douglas County WA

Rock Island, WA Zip Code Map

Rock Island, WA is a city located in Douglas County, Washington and has a land area of 76.25 square miles (197.49 km2). The water area for the city is 2.90 square miles or 7.51 km2. There is one unique zip code in Rock Island, Washington and it is 98850. The area code(s) for Rock Island is 509.

Zip Codes for Rock Island, WA (1)
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98850 Rock Island Douglas

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