Grand Coulee Zip Codes - Grant County WA

Grand Coulee, WA Zip Code Map

Grand Coulee, WA is a city located in Grant County, Washington and has a land area of 182.48 square miles (472.62 km2). The water area for the city is 24.37 square miles or 63.12 km2. There is one unique zip code in Grand Coulee, Washington and it is 99133. The area code(s) for Grand Coulee is 509.

Zip Codes for Grand Coulee, WA (1)
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99133 Grand Coulee Grant

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