Below is a list of Dumont NJ zip codes. For your research we have also included Dumont Area Code, Time Zone, UTC and the local Bergen County FIPS Code. Each Dumont New Jersey zip code has a center Longitude / Latitude point (the Dumont center is -73.99210357666 / 40.94469833374). For your convenience we have also indicated if that zip code in Dumont observes Daylight Savings time.