Zip Code 21821 is located in Deal Island, Somerset county in the state of Maryland. 21821 Zip Code is spread between the coordinates of +38.166101 Latitude and -075.923290 Longitude. 21821 Zip Code is part of the 410 area code. There is 1 postal office in zip code 21821 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21821. 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.