Coldiron, KY is a city located in Harlan County, Kentucky and has a land area of 16.42 square miles (42.53 km2). The water area for the city is 0.15 square miles or 0.39 km2. There is one unique zip code in Coldiron, Kentucky and it is 40819. The area code(s) for Coldiron is 606.
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