Heidelberg is an unincorporated community in Lee County, Kentucky, United States. It lies along Route 399 southwest of the city of Beattyville, the county seat of Lee County. Its elevation is 718 feet (219 m), and it is located at (37.5553639|-83.7788073). Although it is unincorporated, it has a post office, with the ZIP code of 41333. (This Post office is Currently no longer in service and is instead being used as someone's housing.) Said post office was established in 1904, and is said to be named for the hometown of an early German-American settler. Heidelberg is also home to the modern Native American enthusiast and skilled craftsmen Marcus Abner.