Below is a list of Southbury CT zip codes. For your research we have also included Southbury Area Code, Time Zone, UTC and the local New Haven County FIPS Code. Each Southbury Connecticut zip code has a center Longitude / Latitude point (the Southbury center is -73.213096618652 / 41.483100891113). For your convenience we have also indicated if that zip code in Southbury observes Daylight Savings time.