Below is a list of Garwood NJ zip codes. For your research we have also included Garwood Area Code, Time Zone, UTC and the local Union County FIPS Code. Each Garwood New Jersey zip code has a center Longitude / Latitude point (the Garwood center is -74.324996948242 / 40.651500701904). For your convenience we have also indicated if that zip code in Garwood observes Daylight Savings time.