ZIP code 64423 is officially located in the state of Missouri, primarily serving the city of Barnard. It falls under the administrative jurisdiction of Nodaway County. When planning mail delivery, logistics routing, or demographic research, 64423 operates within the Central Time (CT) timezone and supports the 895 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 64423 ZIP Code Tabulation Area is approximately 6,495. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $131,423.