Zip Code 20657 is located in Lusby, Calvert county in the state of Maryland. 20657 Zip Code is spread between the coordinates of +38.493430 Latitude and -076.459768 Longitude. 20657 Zip Code is part of the 410 area code. There is 1 postal office in zip code 20657 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 20657. 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.