Below is a list of Marlborough MA zip codes. For your research we have also included Marlborough Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Marlborough Massachusetts zip code has a center Longitude / Latitude point (the Marlborough center is -71.546203613281 / 42.350200653076). For your convenience we have also indicated if that zip code in Marlborough observes Daylight Savings time.