ZIP Code 20861 is located in the county of Montgomery in the state of Maryland. 20861 ZIP Code is spread between the coordinates of +39.1483818 Latitude and -77.00017055 Longitude. 20861 ZIP Code is part of the 240, 301 area code. There is 1 postal office in zip code 20861.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20861. 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.