ZIP code 56557 is officially located in the state of Minnesota, primarily serving the city of Mahnomen. It falls under the administrative jurisdiction of Mahnomen County. When planning mail delivery, logistics routing, or demographic research, 56557 operates within the Central Time (CT) timezone and supports the 844 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 56557 ZIP Code Tabulation Area is approximately 32,344. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $109,557.