ZIP Code 20390 is located in the county of District of Columbia in the state of District of Columbia. 20390 ZIP Code is spread between the coordinates of +38.8789798 Latitude and -76.99316464 Longitude. 20390 ZIP Code is part of the 202 area code. There are 0 postal offices in zip code 20390.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20390. 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.