Mattawa Zip Codes - Grant County WA

Mattawa, WA Zip Code Map

Mattawa, WA is a city located in Grant County, Washington and has a land area of 267.38 square miles (692.51 km2). The water area for the city is 10.66 square miles or 27.61 km2. There is one unique zip code in Mattawa, Washington and it is 99349. The area code(s) for Mattawa is 509.

Zip Codes for Mattawa, WA (1)
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99349 Mattawa Grant

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