Below is a list of Middle Haddam CT zip codes. For your research we have also included Middle Haddam Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Middle Haddam Connecticut zip code has a center Longitude / Latitude point (the Middle Haddam center is -72.550399780273 / 41.554000854492). For your convenience we have also indicated if that zip code in Middle Haddam observes Daylight Savings time.