Kalkaska, MI is a city located in Kalkaska County, Michigan and has a land area of 219.28 square miles (567.93 km2). The water area for the city is 5.34 square miles or 13.83 km2. There is one unique zip code in Kalkaska, Michigan and it is 49646. The area code(s) for Kalkaska is 231.
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