ZIP code 50401 is officially located in the state of Iowa, primarily serving the city of Mason city. It falls under the administrative jurisdiction of Cerro Gordo County. When planning mail delivery, logistics routing, or demographic research, 50401 operates within the Central Time (CT) timezone and supports the 369 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50401 ZIP Code Tabulation Area is approximately 4,569. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,401.