ZIP code 15601 is officially located in the state of Pennsylvania, primarily serving the city of Greensburg. It falls under the administrative jurisdiction of Westmoreland County. When planning mail delivery, logistics routing, or demographic research, 15601 operates within the Eastern Time (ET) timezone and supports the 343 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15601 ZIP Code Tabulation Area is approximately 8,743. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,601.