Walla Walla, WA is a city located in Walla Walla County, Washington and has a land area of 303.12 square miles (785.08 km2). The water area for the city is 0.12 square miles or 0.31 km2. There is one unique zip code in Walla Walla, Washington and it is 99362. The area code(s) for Walla Walla is 509.
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