Walnut Zip Codes - Pottawattamie County IA

Walnut, IA Zip Code Map

Walnut, IA is a city located in Pottawattamie County, Iowa and has a land area of 83.56 square miles (216.42 km2). The water area for the city is 0.02 square miles or 0.05 km2. There is one unique zip code in Walnut, Iowa and it is 51577. The area code(s) for Walnut is 712.

Zip Codes for Walnut, IA (1)
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51577 Walnut Pottawattamie

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