Zip Code 21655 is located in Preston, Caroline county in the state of Maryland. 21655 Zip Code is spread between the coordinates of +38.752146 Latitude and -075.907650 Longitude. 21655 Zip Code is part of the 410 area code. There are 2 postal offices in zip code 21655 which we have listed below
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.