Below is a list of Denville NJ zip codes. For your research we have also included Denville Area Code, Time Zone, UTC and the local Morris County FIPS Code. Each Denville New Jersey zip code has a center Longitude / Latitude point (the Denville center is -74.477798461914 / 40.890899658203). For your convenience we have also indicated if that zip code in Denville observes Daylight Savings time.