Below is a list of Upper Montclair NJ zip codes. For your research we have also included Upper Montclair Area Code, Time Zone, UTC and the local Essex County FIPS Code. Each Upper Montclair New Jersey zip code has a center Longitude / Latitude point (the Upper Montclair center is -74.214401245117 / 40.826698303223). For your convenience we have also indicated if that zip code in Upper Montclair observes Daylight Savings time.