Below is a list of Billerica MA zip codes. For your research we have also included Billerica Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Billerica Massachusetts zip code has a center Longitude / Latitude point (the Billerica center is -71.269096374512 / 42.559501647949). For your convenience we have also indicated if that zip code in Billerica observes Daylight Savings time.