Below is a list of Dunstable MA zip codes. For your research we have also included Dunstable Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Dunstable Massachusetts zip code has a center Longitude / Latitude point (the Dunstable center is -71.482398986816 / 42.67440032959). For your convenience we have also indicated if that zip code in Dunstable observes Daylight Savings time.