ZIP Code 21774 is located in the county of Frederick in the state of Maryland. 21774 ZIP Code is spread between the coordinates of +39.4074741 Latitude and -77.29016930 Longitude. 21774 ZIP Code is part of the 301 area code. There are 0 postal offices in zip code 21774.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21774. 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.