Asotin, WA is a city located in Asotin County, Washington and has a land area of 336.35 square miles (871.14 km2). The water area for the city is 2.63 square miles or 6.81 km2. There is one unique zip code in Asotin, Washington and it is 99402. The area code(s) for Asotin is 509.
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