ZIP Code 21716 is located in the county of Frederick in the state of Maryland. 21716 ZIP Code is spread between the coordinates of +39.3164594 Latitude and -77.62291304 Longitude. 21716 ZIP Code is part of the 301 area code. There are 0 postal offices in zip code 21716.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21716. 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.