ZIP Code 20121 is located in the county of Fairfax in the state of Virginia. 20121 ZIP Code is spread between the coordinates of +38.8264073 Latitude and -77.43957791 Longitude. 20121 ZIP Code is part of the 571, 703 area code. There are 0 postal offices in zip code 20121.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20121. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.