ZIP code 50135 is officially located in the state of Iowa, primarily serving the city of Kellogg. It falls under the administrative jurisdiction of Jasper County. When planning mail delivery, logistics routing, or demographic research, 50135 operates within the Central Time (CT) timezone and supports the 310 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50135 ZIP Code Tabulation Area is approximately 43,710. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $135,135.