Zip Code 06423 is located in East Haddam, Middlesex county in the state of Connecticut. 06423 Zip Code is spread between the coordinates of +41.475478 Latitude and -072.389729 Longitude. 06423 Zip Code is part of the 860 area code. There is 1 postal office in zip code 06423 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 06423. 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.