57439 Zip Code
57439 zip code is located in northeast South Dakota. 57439 zip code is part of Brown County. 57439 zip code has 5.00 square miles of land area and has no water area. As of 2010-2014, the total 57439 zip code population is 28. On average, the public school district that covers 57439 zip code is much better than the state average in quality. The 57439 zip code area code is 605.
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