Below is a list of Long Valley NJ zip codes. For your research we have also included Long Valley Area Code, Time Zone, UTC and the local Morris County FIPS Code. Each Long Valley New Jersey zip code has a center Longitude / Latitude point (the Long Valley center is -74.779998779297 / 40.784599304199). For your convenience we have also indicated if that zip code in Long Valley observes Daylight Savings time.