ZIP code 63648 is officially located in the state of Missouri, primarily serving the city of Irondale. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 63648 operates within the Central Time (CT) timezone and supports the 720 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 63648 ZIP Code Tabulation Area is approximately 32,920. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,648.