ZIP Code 21154 is located in the county of Harford in the state of Maryland. 21154 ZIP Code is spread between the coordinates of +39.6526904 Latitude and -76.34808134 Longitude. 21154 ZIP Code is part of the 410 area code. There are 0 postal offices in zip code 21154.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21154. 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.