ZIP code 63866 is officially located in the state of Missouri, primarily serving the city of Marston. It falls under the administrative jurisdiction of New Madrid County. When planning mail delivery, logistics routing, or demographic research, 63866 operates within the Central Time (CT) timezone and supports the 682 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 63866 ZIP Code Tabulation Area is approximately 7,682. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $62,866.