Below is a list of Great Meadows NJ zip codes. For your research we have also included Great Meadows Area Code, Time Zone, UTC and the local Warren County FIPS Code. Each Great Meadows New Jersey zip code has a center Longitude / Latitude point (the Great Meadows center is -74.912200927734 / 40.870399475098). For your convenience we have also indicated if that zip code in Great Meadows observes Daylight Savings time.