ZIP Code 21655 is located in the county of Caroline in the state of Maryland. 21655 ZIP Code is spread between the coordinates of +38.7462434 Latitude and -75.91793873 Longitude. 21655 ZIP Code is part of the 410 area code. There are 2 postal offices in zip code 21655.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21655. 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.