ZIP Code 21102 is located in the county of Carroll in the state of Maryland. 21102 ZIP Code is spread between the coordinates of +39.6780345 Latitude and -76.86921172 Longitude. 21102 ZIP Code is part of the 410, 443 area code. There are 0 postal offices in zip code 21102.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21102. 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.