Below is a list of Osterville MA zip codes. For your research we have also included Osterville Area Code, Time Zone, UTC and the local Barnstable County FIPS Code. Each Osterville Massachusetts zip code has a center Longitude / Latitude point (the Osterville center is -70.385101318359 / 41.628200531006). For your convenience we have also indicated if that zip code in Osterville observes Daylight Savings time.