ZIP Code 20879 is located in the county of Montgomery in the state of Maryland. 20879 ZIP Code is spread between the coordinates of +39.1678107 Latitude and -77.18418270 Longitude. 20879 ZIP Code is part of the 240, 301 area code. There are 0 postal offices in zip code 20879.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20879. 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.