Below is a list of Thomaston CT zip codes. For your research we have also included Thomaston Area Code, Time Zone, UTC and the local Litchfield County FIPS Code. Each Thomaston Connecticut zip code has a center Longitude / Latitude point (the Thomaston center is -73.073097229004 / 41.674198150635). For your convenience we have also indicated if that zip code in Thomaston observes Daylight Savings time.