ZIP Code 21530 is located in the county of Allegany in the state of Maryland. 21530 ZIP Code is spread between the coordinates of +39.6949291 Latitude and -78.55356636 Longitude. 21530 ZIP Code is part of the 240 area code. There is 1 postal office in zip code 21530.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21530. 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.