Okanogan, WA is a city located in Okanogan County, Washington and has a land area of 532.97 square miles (1,380.39 km2). The water area for the city is 6.97 square miles or 18.05 km2. There is one unique zip code in Okanogan, Washington and it is 98840. The area code(s) for Okanogan is 509.
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