ZIP code 50629 is officially located in the state of Iowa, primarily serving the city of Fairbank. It falls under the administrative jurisdiction of Buchanan County. When planning mail delivery, logistics routing, or demographic research, 50629 operates within the Central Time (CT) timezone and supports the 866 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50629 ZIP Code Tabulation Area is approximately 36,566. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $133,629.