Below is a list of Southborough MA zip codes. For your research we have also included Southborough Area Code, Time Zone, UTC and the local Worcester County FIPS Code. Each Southborough Massachusetts zip code has a center Longitude / Latitude point (the Southborough center is -71.529403686523 / 42.305801391602). For your convenience we have also indicated if that zip code in Southborough observes Daylight Savings time.