Below is a list of North Westchester CT zip codes. For your research we have also included North Westchester Area Code, Time Zone, UTC and the local New London County FIPS Code. Each North Westchester Connecticut zip code has a center Longitude / Latitude point (the North Westchester center is -72.401802062988 / 41.580799102783). For your convenience we have also indicated if that zip code in North Westchester observes Daylight Savings time.