ZIP Code 20659 is located in the county of St. Mary's in the state of Maryland. 20659 ZIP Code is spread between the coordinates of +38.4279063 Latitude and -76.73066026 Longitude. 20659 ZIP Code is part of the 240, 301 area code. There is 1 postal office in zip code 20659.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20659. 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.