ZIP Code 03857 is located in the county of Rockingham in the state of New Hampshire. 03857 ZIP Code is spread between the coordinates of +43.0724560 Latitude and -70.94815703 Longitude. 03857 ZIP Code is part of the 603 area code. There is 1 postal office in zip code 03857.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 03857. 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.