ZIP Code 20904 is located in the county of Montgomery in the state of Maryland. 20904 ZIP Code is spread between the coordinates of +39.0657000 Latitude and -76.97087596 Longitude. 20904 ZIP Code is part of the 301 area code. There are 2 postal offices in zip code 20904.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20904. 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.