Belle Fourche, SD is a city located in Butte County, South Dakota and has a land area of 1,364.43 square miles (2.59 km2). The water area for the city is 13.02 square miles or 33.72 km2. There is one unique zip code in Belle Fourche, South Dakota and it is 57717. The area code(s) for Belle Fourche is 605.
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