ZIP Code 20814 is located in the county of Montgomery in the state of Maryland. 20814 ZIP Code is spread between the coordinates of +39.0018248 Latitude and -77.10150039 Longitude. 20814 ZIP Code is part of the 301, 24 area code. There are 3 postal offices in zip code 20814.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20814. 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.