Arnolds Park, IA is a city located in Dickinson County, Iowa and has a land area of 1.61 square miles (4.17 km2). The water area for the city is 0.91 square miles or 2.36 km2. There is one unique zip code in Arnolds Park, Iowa and it is 51331. The area code(s) for Arnolds Park is 712.
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