ZIP code 41820 is officially located in the state of Kentucky, primarily serving the city of Gilly. It falls under the administrative jurisdiction of Letcher County. When planning mail delivery, logistics routing, or demographic research, 41820 operates within the Eastern Time (ET) timezone and supports the 285 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 41820 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $80,820.