Grinnell Zip Codes - Poweshiek County IA

Grinnell, IA Zip Code Map

Grinnell, IA is a city located in Poweshiek County, Iowa and has a land area of 182.21 square miles (471.92 km2). The water area for the city is 0.27 square miles or 0.70 km2. There is one unique zip code in Grinnell, Iowa and it is 50112. The area code(s) for Grinnell is 641.

Zip Codes for Grinnell, IA (1)
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50112 Grinnell Poweshiek

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