The UPS Store Mount Sinai 8:30 AM - 7:00 PM 8:30 AM - 7:00 PM 8:30 AM - 7:00 PM 8:30 AM - 7:00 PM 8:30 AM - 7:00 PM 9:00 AM - 4:00 PM 10:00 AM - 3:00 PM5507 Nesconset Hwy #10 Mount Sinai, NY 11766 USMain Number(631) 331-0560(631) 331-0560View Page