ZIP code 46256 is officially located in the state of Indiana, primarily serving the city of Castleton. It falls under the administrative jurisdiction of Marion County. When planning mail delivery, logistics routing, or demographic research, 46256 operates within the Central Time (CT) timezone and supports the 862 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 46256 ZIP Code Tabulation Area is approximately 12,062. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,256.