Zip Code 06820 is located in Darien, Fairfield county in the state of Connecticut. 06820 Zip Code is spread between the coordinates of +41.075846 Latitude and -073.480765 Longitude. 06820 Zip Code is part of the 860 area code. There are 4 postal offices in zip code 06820 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 06820. 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.