Below is a list of Scotch Plains NJ zip codes. For your research we have also included Scotch Plains Area Code, Time Zone, UTC and the local Union County FIPS Code. Each Scotch Plains New Jersey zip code has a center Longitude / Latitude point (the Scotch Plains center is -74.369903564453 / 40.633098602295). For your convenience we have also indicated if that zip code in Scotch Plains observes Daylight Savings time.