Below is a list of Rahway NJ zip codes. For your research we have also included Rahway Area Code, Time Zone, UTC and the local Union County FIPS Code. Each Rahway New Jersey zip code has a center Longitude / Latitude point (the Rahway center is -74.280700683594 / 40.606300354004). For your convenience we have also indicated if that zip code in Rahway observes Daylight Savings time.