ZIP Code 21150 is located in the county of Howard in the state of Maryland. 21150 ZIP Code is spread between the coordinates of +39.18 Latitude and -76.88 Longitude. 21150 ZIP Code is part of the 410 area code. There are 0 postal offices in zip code 21150.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21150. 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.
