ZIP code 46743 is officially located in the state of Indiana, primarily serving the city of Harlan. It falls under the administrative jurisdiction of Allen County. When planning mail delivery, logistics routing, or demographic research, 46743 operates within the Eastern Time (ET) timezone and supports the 736 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 46743 ZIP Code Tabulation Area is approximately 7,036. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $71,743.