ZIP code 20171 is officially located in the state of Virginia, primarily serving the city of Zcta 20171. It falls under the administrative jurisdiction of Fairfax County. When planning mail delivery, logistics routing, or demographic research, 20171 operates within the Eastern Time (ET) timezone and supports the 209 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 20171 ZIP Code Tabulation Area is approximately 8,609. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $47,171.