Below is a list of Greendell NJ zip codes. For your research we have also included Greendell Area Code, Time Zone, UTC and the local Sussex County FIPS Code. Each Greendell New Jersey zip code has a center Longitude / Latitude point (the Greendell center is -74.820899963379 / 40.973999023438). For your convenience we have also indicated if that zip code in Greendell observes Daylight Savings time.