Below is a list of Demarest NJ zip codes. For your research we have also included Demarest Area Code, Time Zone, UTC and the local Bergen County FIPS Code. Each Demarest New Jersey zip code has a center Longitude / Latitude point (the Demarest center is -73.961502075195 / 40.953998565674). For your convenience we have also indicated if that zip code in Demarest observes Daylight Savings time.