Below is a list of Lynnfield MA zip codes. For your research we have also included Lynnfield Area Code, Time Zone, UTC and the local Essex County FIPS Code. Each Lynnfield Massachusetts zip code has a center Longitude / Latitude point (the Lynnfield center is -71.043197631836 / 42.534900665283). For your convenience we have also indicated if that zip code in Lynnfield observes Daylight Savings time.