ZIP code 17237 is officially located in the state of Pennsylvania, primarily serving the city of Mont alto. It falls under the administrative jurisdiction of Franklin County. When planning mail delivery, logistics routing, or demographic research, 17237 operates within the Eastern Time (ET) timezone and supports the 686 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 17237 ZIP Code Tabulation Area is approximately 25,186. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $69,237.