Below is a list of Deep River CT zip codes. For your research we have also included Deep River Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Deep River Connecticut zip code has a center Longitude / Latitude point (the Deep River center is -72.453201293945 / 41.368099212646). For your convenience we have also indicated if that zip code in Deep River observes Daylight Savings time.