Below is a list of North Waltham MA zip codes. For your research we have also included North Waltham Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each North Waltham Massachusetts zip code has a center Longitude / Latitude point (the North Waltham center is -71.290000915527 / 42.389701843262). For your convenience we have also indicated if that zip code in North Waltham observes Daylight Savings time.