Below is a list of Florham Park NJ zip codes. For your research we have also included Florham Park Area Code, Time Zone, UTC and the local Morris County FIPS Code. Each Florham Park New Jersey zip code has a center Longitude / Latitude point (the Florham Park center is -74.399803161621 / 40.778400421143). For your convenience we have also indicated if that zip code in Florham Park observes Daylight Savings time.