Iroquois, SD is a city located in Kingsbury County, South Dakota and has a land area of 298.87 square miles (774.07 km2). The water area for the city is 0.21 square miles or 0.54 km2. There is one unique zip code in Iroquois, South Dakota and it is 57353. The area code(s) for Iroquois is 605.
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