Mammoth Cave, KY is a city located in Edmonson County, Kentucky and has a land area of 72.77 square miles (188.47 km2). The water area for the city is 1.79 square miles or 4.64 km2. There is one unique zip code in Mammoth Cave, Kentucky and it is 42259. The area code(s) for Mammoth Cave is 270/364.
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