ZIP Code 20610 is located in the county of Calvert in the state of Maryland. 20610 ZIP Code is spread between the coordinates of +38.52 Latitude and -76.6 Longitude. 20610 ZIP Code is part of the 410 area code. There are 0 postal offices in zip code 20610.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20610. 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.