ZIP Code 20838 is located in the county of Montgomery in the state of Maryland. 20838 ZIP Code is spread between the coordinates of +39.2233550 Latitude and -77.37497560 Longitude. 20838 ZIP Code is part of the 240 area code. There is 1 postal office in zip code 20838.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20838. 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.