Below is a list of Lexington MA zip codes. For your research we have also included Lexington Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Lexington Massachusetts zip code has a center Longitude / Latitude point (the Lexington center is -71.229797363281 / 42.448699951172). For your convenience we have also indicated if that zip code in Lexington observes Daylight Savings time.