ZIP Code 20001 is located in the county of District of Columbia in the state of District of Columbia. 20001 ZIP Code is spread between the coordinates of +38.9116728 Latitude and -77.01853608 Longitude. 20001 ZIP Code is part of the 202 area code. There are 3 postal offices in zip code 20001.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20001. 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.