ZIP Code 01850 is located in the county of Middlesex in the state of Massachusetts. 01850 ZIP Code is spread between the coordinates of +42.6562637 Latitude and -71.30481935 Longitude. 01850 ZIP Code is part of the 781, 978 area code. There are 0 postal offices in zip code 01850.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 01850. 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.