Zip Code 21664 is located in Secretary, Dorchester county in the state of Maryland. 21664 Zip Code is spread between the coordinates of +38.600971 Latitude and -075.947375 Longitude. 21664 Zip Code is part of the 410 area code. There is 1 postal office in zip code 21664 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21664. 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.