ZIP code 22821 is officially located in the state of Virginia, primarily serving the city of Montezuma. It falls under the administrative jurisdiction of Rockingham County. When planning mail delivery, logistics routing, or demographic research, 22821 operates within the Eastern Time (ET) timezone and supports the 737 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 22821 ZIP Code Tabulation Area is approximately 23,137. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,821.