Below is a list of Freehold NJ zip codes. For your research we have also included Freehold Area Code, Time Zone, UTC and the local Monmouth County FIPS Code. Each Freehold New Jersey zip code has a center Longitude / Latitude point (the Freehold center is -74.275703430176 / 40.259101867676). For your convenience we have also indicated if that zip code in Freehold observes Daylight Savings time.