Below is a list of Sergeantsville NJ zip codes. For your research we have also included Sergeantsville Area Code, Time Zone, UTC and the local Hunterdon County FIPS Code. Each Sergeantsville New Jersey zip code has a center Longitude / Latitude point (the Sergeantsville center is -74.94409942627 / 40.445999145508). For your convenience we have also indicated if that zip code in Sergeantsville observes Daylight Savings time.