Montclair Public Library Main Branch Center Types Cooling Is Open Closed Hours Text Mon, Wed, Thurs 10:00 am - 8:00 pmFri 10:00 am - 6:00 pmSat 10:00 am - 6:00 pmSun 1:00 pm - 6:00 pm Counties Essex Address 50 South Fullerton Ave Montclair, NJ 07042 Phone Numbers Main 973-509-4926 AIRS Terms Extreme Cold Warming CentersExtreme Weather Shelters Sort Order 99