Below is a list of Dartmouth MA zip codes. For your research we have also included Dartmouth Area Code, Time Zone, UTC and the local Bristol County FIPS Code. Each Dartmouth Massachusetts zip code has a center Longitude / Latitude point (the Dartmouth center is -70.94930267334 / 41.594200134277). For your convenience we have also indicated if that zip code in Dartmouth observes Daylight Savings time.