ZIP Code 01603 is located in the county of Worcester in the state of Massachusetts. 01603 ZIP Code is spread between the coordinates of +42.2449495 Latitude and -71.83762901 Longitude. 01603 ZIP Code is part of the 508 area code. There are 2 postal offices in zip code 01603.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 01603. 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.