ZIP code 63458 is officially located in the state of Missouri, primarily serving the city of Newark. It falls under the administrative jurisdiction of Knox County. When planning mail delivery, logistics routing, or demographic research, 63458 operates within the Central Time (CT) timezone and supports the 788 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 63458 ZIP Code Tabulation Area is approximately 14,788. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $126,458.