Faulkton, SD is a city located in Faulk County, South Dakota and has a land area of 435.10 square miles (1,126.90 km2). The water area for the city is 10.01 square miles or 25.93 km2. There is one unique zip code in Faulkton, South Dakota and it is 57438. The area code(s) for Faulkton is 605.
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