Oroville, WA is a city located in Okanogan County, Washington and has a land area of 332.34 square miles (860.76 km2). The water area for the city is 6.43 square miles or 16.65 km2. There is one unique zip code in Oroville, Washington and it is 98844. The area code(s) for Oroville is 509.
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