List of Sleep Number Stores in Westminster, CA Outlet Note Regular Brands Sleep Number California Westminster 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 - Westminster Westminster Mall (714) 677-2200 Sleep Number outlet - Westminster 1107 Westminster Mall (714) 677-2200 People Also Viewed