Roundhill, KY is a city located in Edmonson County, Kentucky and has a land area of 46.38 square miles (120.12 km2). The water area for the city is 0.38 square miles or 0.98 km2. There is one unique zip code in Roundhill, Kentucky and it is 42275. The area code(s) for Roundhill is 270/364.
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