ZIP code 46556 is officially located in the state of Indiana, primarily serving the city of Saint marys. It falls under the administrative jurisdiction of St. Joseph County. When planning mail delivery, logistics routing, or demographic research, 46556 operates within the Central Time (CT) timezone and supports the 619 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 46556 ZIP Code Tabulation Area is approximately 16,719. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,556.