List of Sleep Number Stores in South Portland, ME Outlet Note Regular Brands Sleep Number Maine South Portland Rating 4.8 based on 84 votes Official Outlet www.sleepnumber.com/eng/categories/Sleep-NumberPillows-Bedding/Clearance Official Website http://www.sleepnumber.com/ Products Bedding Pillows Mattresses Bed Bed Sheets Adjustable Beds Bed Accessories NameAddressPhone Name/Address/Phone Sleep Number by Select Comfort outlet - South Portland The Maine Mall (207) 772-8336 Sleep Number outlet - South Portland 364 Maine Mall Rd, Spc N (207) 772-8336 People Also Viewed