ZIP Code 03221 is located in the county of Merrimack in the state of New Hampshire. 03221 ZIP Code is spread between the coordinates of +43.2671447 Latitude and -71.95989723 Longitude. 03221 ZIP Code is part of the 603 area code. There are 2 postal offices in zip code 03221.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 03221. 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.