ZIP code 59448 is officially located in the state of Montana, primarily serving the city of Heart butte. It falls under the administrative jurisdiction of Pondera County. When planning mail delivery, logistics routing, or demographic research, 59448 operates within the Mountain Time (MT) timezone and supports the 899 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 59448 ZIP Code Tabulation Area is approximately 16,299. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,448.