ZIP code 15239 is officially located in the state of Pennsylvania, primarily serving the city of Plum. It falls under the administrative jurisdiction of Allegheny County. When planning mail delivery, logistics routing, or demographic research, 15239 operates within the Eastern Time (ET) timezone and supports the 888 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15239 ZIP Code Tabulation Area is approximately 12,088. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $103,239.