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