ZIP Code 21773 is located in the county of Frederick in the state of Maryland. 21773 ZIP Code is spread between the coordinates of +39.5240400 Latitude and -77.55660945 Longitude. 21773 ZIP Code is part of the 240, 301 area code. There is 1 postal office in zip code 21773.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21773. 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.