ZIP code 15783 is officially located in the state of Pennsylvania, primarily serving the city of West lebanon. It falls under the administrative jurisdiction of Indiana County. When planning mail delivery, logistics routing, or demographic research, 15783 operates within the Eastern Time (ET) timezone and supports the 651 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15783 ZIP Code Tabulation Area is approximately 15,351. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $51,783.