ZIP code 20770 is officially located in the state of Maryland, primarily serving the city of Greenbelt. It falls under the administrative jurisdiction of Prince Georges County. When planning mail delivery, logistics routing, or demographic research, 20770 operates within the Eastern Time (ET) timezone and supports the 636 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 20770 ZIP Code Tabulation Area is approximately 20,936. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $130,770.