Below is a list of North Haven CT zip codes. For your research we have also included North Haven Area Code, Time Zone, UTC and the local New Haven County FIPS Code. Each North Haven Connecticut zip code has a center Longitude / Latitude point (the North Haven center is -72.857498168945 / 41.380001068115). For your convenience we have also indicated if that zip code in North Haven observes Daylight Savings time.