Below is a list of Oak Bluffs MA zip codes. For your research we have also included Oak Bluffs Area Code, Time Zone, UTC and the local Dukes County FIPS Code. Each Oak Bluffs Massachusetts zip code has a center Longitude / Latitude point (the Oak Bluffs center is -70.561096191406 / 41.45719909668). For your convenience we have also indicated if that zip code in Oak Bluffs observes Daylight Savings time.