ZIP code 64646 is officially located in the state of Missouri, primarily serving the city of Humphreys. It falls under the administrative jurisdiction of Sullivan County. When planning mail delivery, logistics routing, or demographic research, 64646 operates within the Central Time (CT) timezone and supports the 772 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 64646 ZIP Code Tabulation Area is approximately 27,372. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $122,646.