Sleep Number Dartmouth 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-9pm 11am-9pm 11am-7pm319 State Road Dartmouth, MA 02747 USOn Route 6 off Old Westport Road, across from Dartmouth Mall.phone(774) 301-8383(774) 301-8383Text StoreGet DirectionsView Store Details