ZIP code 16633 is officially located in the state of Pennsylvania, primarily serving the city of Defiance. It falls under the administrative jurisdiction of Bedford County. When planning mail delivery, logistics routing, or demographic research, 16633 operates within the Eastern Time (ET) timezone and supports the 761 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 16633 ZIP Code Tabulation Area is approximately 7,761. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $101,633.