Garretson, SD is a city located in Minnehaha County, South Dakota and has a land area of 132.79 square miles (343.92 km2). The water area for the city is 0.39 square miles or 1.01 km2. There is one unique zip code in Garretson, South Dakota and it is 57030. The area code(s) for Garretson is 605.
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