ZIP code 20721 is officially located in the state of Maryland, primarily serving the city of Mitchellville. It falls under the administrative jurisdiction of Prince Georges County. When planning mail delivery, logistics routing, or demographic research, 20721 operates within the Eastern Time (ET) timezone and supports the 357 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 20721 ZIP Code Tabulation Area is approximately 5,957. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,721.