ZIP Code 20180 is located in the county of Loudoun in the state of Virginia. 20180 ZIP Code is spread between the coordinates of +39.2691314 Latitude and -77.63521693 Longitude. 20180 ZIP Code is part of the 540 area code. There is 1 postal office in zip code 20180.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20180. 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.