ZIP code 63048 is officially located in the state of Missouri, primarily serving the city of Herculaneum. It falls under the administrative jurisdiction of Jefferson County. When planning mail delivery, logistics routing, or demographic research, 63048 operates within the Central Time (CT) timezone and supports the 371 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 63048 ZIP Code Tabulation Area is approximately 17,171. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,048.