ZIP code 17004 is officially located in the state of Pennsylvania, primarily serving the city of Belleville. It falls under the administrative jurisdiction of Mifflin County. When planning mail delivery, logistics routing, or demographic research, 17004 operates within the Eastern Time (ET) timezone and supports the 392 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 17004 ZIP Code Tabulation Area is approximately 29,092. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,004.