ZIP code 58311 is officially located in the state of North dakota, primarily serving the city of Loma. It falls under the administrative jurisdiction of Cavalier County. When planning mail delivery, logistics routing, or demographic research, 58311 operates within the Central Time (CT) timezone and supports the 721 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58311 ZIP Code Tabulation Area is approximately 21,021. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $127,311.