Below is a list of Morris Plains NJ zip codes. For your research we have also included Morris Plains Area Code, Time Zone, UTC and the local Morris County FIPS Code. Each Morris Plains New Jersey zip code has a center Longitude / Latitude point (the Morris Plains center is -74.478401184082 / 40.836101531982). For your convenience we have also indicated if that zip code in Morris Plains observes Daylight Savings time.