ZIP code 15733 is officially located in the state of Pennsylvania, primarily serving the city of De lancey. It falls under the administrative jurisdiction of Jefferson County. When planning mail delivery, logistics routing, or demographic research, 15733 operates within the Eastern Time (ET) timezone and supports the 801 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15733 ZIP Code Tabulation Area is approximately 44,901. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $101,733.