ZIP Code 21661 is located in the county of Kent in the state of Maryland. 21661 ZIP Code is spread between the coordinates of +39.1341418 Latitude and -76.22816732 Longitude. 21661 ZIP Code is part of the 410 area code. There is 1 postal office in zip code 21661.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21661. 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.