ZIP Code 06521 is located in the county of New Haven in the state of Connecticut. 06521 ZIP Code is spread between the coordinates of +41.31 Latitude and -72.92 Longitude. 06521 ZIP Code is part of the 203 area code. There are 0 postal offices in zip code 06521.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 06521. 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.