Estelline, SD is a city located in Hamlin County, South Dakota and has a land area of 102.26 square miles (264.85 km2). The water area for the city is 4.74 square miles or 12.28 km2. There is one unique zip code in Estelline, South Dakota and it is 57234. The area code(s) for Estelline is 605.
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