Plymouth Zip Codes - Benton County WA

Plymouth, WA Zip Code Map

Plymouth, WA is a city located in Benton County, Washington and has a land area of 142.89 square miles (370.08 km2). The water area for the city is 3.89 square miles or 10.08 km2. There is one unique zip code in Plymouth, Washington and it is 99346. The area code(s) for Plymouth is 509.

Zip Codes for Plymouth, WA (1)
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99346 Plymouth Benton

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