ZIP code 58004 is officially located in the state of North dakota, primarily serving the city of Amenia. It falls under the administrative jurisdiction of Cass County. When planning mail delivery, logistics routing, or demographic research, 58004 operates within the Central Time (CT) timezone and supports the 311 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58004 ZIP Code Tabulation Area is approximately 35,311. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,004.