ZIP code 58830 is officially located in the state of North dakota, primarily serving the city of Appam. It falls under the administrative jurisdiction of Williams County. When planning mail delivery, logistics routing, or demographic research, 58830 operates within the Mountain Time (MT) timezone and supports the 856 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58830 ZIP Code Tabulation Area is approximately 42,156. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,830.