Below is a list of Groton VT zip codes. For your research we have also included Groton Area Code, Time Zone, UTC and the local Caledonia County FIPS Code. Each Groton Vermont zip code has a center Longitude / Latitude point (the Groton center is -72.195602416992 / 44.210601806641). For your convenience we have also indicated if that zip code in Groton observes Daylight Savings time.