ZIP code 40122 is officially located in the state of Kentucky, primarily serving the city of Fort knox. It falls under the administrative jurisdiction of Hardin County. When planning mail delivery, logistics routing, or demographic research, 40122 operates within the Central Time (CT) timezone and supports the 276 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 40122 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 $114,122.