ZIP code 46788 is officially located in the state of Indiana, primarily serving the city of Spencerville. It falls under the administrative jurisdiction of Allen County. When planning mail delivery, logistics routing, or demographic research, 46788 operates within the Eastern Time (ET) timezone and supports the 774 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 46788 ZIP Code Tabulation Area is approximately 33,674. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $136,788.