ZIP Code 21240 is located in the county of Anne Arundel in the state of Maryland. 21240 ZIP Code is spread between the coordinates of +39.1797811 Latitude and -76.67580544 Longitude. 21240 ZIP Code is part of the 240, 410, 443 area code. There is 1 postal office in zip code 21240.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21240. 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.