Below is a list of Highland Park NJ zip codes. For your research we have also included Highland Park Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Highland Park New Jersey zip code has a center Longitude / Latitude point (the Highland Park center is -74.423400878906 / 40.500701904297). For your convenience we have also indicated if that zip code in Highland Park observes Daylight Savings time.