ZIP Code 21521 is located in the county of Allegany in the state of Maryland. 21521 ZIP Code is spread between the coordinates of +39.5349401 Latitude and -79.01788248 Longitude. 21521 ZIP Code is part of the area code. There is 1 postal office in zip code 21521.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21521. 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.