ZIP Code 21401 is located in the county of Anne Arundel in the state of Maryland. 21401 ZIP Code is spread between the coordinates of +38.9823646 Latitude and -76.53368819 Longitude. 21401 ZIP Code is part of the 410, 443, 301 area code. There are 4 postal offices in zip code 21401.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21401. 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.