ZIP code 59478 is officially located in the state of Montana, primarily serving the city of Simms. It falls under the administrative jurisdiction of Cascade County. When planning mail delivery, logistics routing, or demographic research, 59478 operates within the Mountain Time (MT) timezone and supports the 632 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 59478 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $66,478.