ZIP Code 01531 is located in the county of Worcester in the state of Massachusetts. 01531 ZIP Code is spread between the coordinates of +42.3214712 Latitude and -72.12654554 Longitude. 01531 ZIP Code is part of the 508, 774 area code. There are 0 postal offices in zip code 01531.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 01531. 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.