Below is a list of Grosvenor Dale CT zip codes. For your research we have also included Grosvenor Dale Area Code, Time Zone, UTC and the local Windham County FIPS Code. Each Grosvenor Dale Connecticut zip code has a center Longitude / Latitude point (the Grosvenor Dale center is -71.890899658203 / 41.96900177002). For your convenience we have also indicated if that zip code in Grosvenor Dale observes Daylight Savings time.