North Plainfield County Library Center Types CoolingWarming Is Open Closed Hours Text Mon - Thu 10:00 am - 8:00 pmFri and Sat 10:00 am - 6:00 pm Counties Somerset Address 6 Rockview Ave North Plainfield, NJ 07060 Phone Numbers Main 908-755-7909 AIRS Terms Extreme Cold Warming CentersExtreme Weather Shelters Target Seasons Summer Sort Order 99