ZIP code 58576 is officially located in the state of North dakota, primarily serving the city of Underwood. It falls under the administrative jurisdiction of McLean County. When planning mail delivery, logistics routing, or demographic research, 58576 operates within the Central Time (CT) timezone and supports the 316 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58576 ZIP Code Tabulation Area is approximately 5,916. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $132,576.