ZIP code 50523 is officially located in the state of Iowa, primarily serving the city of Callender. It falls under the administrative jurisdiction of Webster County. When planning mail delivery, logistics routing, or demographic research, 50523 operates within the Central Time (CT) timezone and supports the 865 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50523 ZIP Code Tabulation Area is approximately 35,865. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $131,523.