ZIP Code 21678 is located in the county of Kent in the state of Maryland. 21678 ZIP Code is spread between the coordinates of +39.3011873 Latitude and -76.09303801 Longitude. 21678 ZIP Code is part of the 410 area code. There is 1 postal office in zip code 21678.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21678. 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.