ZIP Code 21811 is located in the county of Worcester in the state of Maryland. 21811 ZIP Code is spread between the coordinates of +38.3529939 Latitude and -75.17503253 Longitude. 21811 ZIP Code is part of the 410, 443 area code. There are 0 postal offices in zip code 21811.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21811. 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.