ZIP code 15540 is officially located in the state of Pennsylvania, primarily serving the city of Fort hill. It falls under the administrative jurisdiction of Somerset County. When planning mail delivery, logistics routing, or demographic research, 15540 operates within the Eastern Time (ET) timezone and supports the 436 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15540 ZIP Code Tabulation Area is approximately 6,736. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,540.