ZIP code 04239 is officially located in the state of Maine, primarily serving the city of Jay. It falls under the administrative jurisdiction of Franklin County. When planning mail delivery, logistics routing, or demographic research, 04239 operates within the Eastern Time (ET) timezone and supports the 593 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04239 ZIP Code Tabulation Area is approximately 31,393. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $103,239.