ZIP code 51455 is officially located in the state of Iowa, primarily serving the city of Manning. It falls under the administrative jurisdiction of Carroll County. When planning mail delivery, logistics routing, or demographic research, 51455 operates within the Central Time (CT) timezone and supports the 508 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 51455 ZIP Code Tabulation Area is approximately 36,908. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $75,455.