ZIP Code 21703 is located in the county of Frederick in the state of Maryland. 21703 ZIP Code is spread between the coordinates of +39.3914882 Latitude and -77.44720948 Longitude. 21703 ZIP Code is part of the 301, 24 area code. There are 0 postal offices in zip code 21703.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 21703. 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.