List of SIMPLE Mobile Stores in Walnut, CA Outlet Note Regular Brands SIMPLE Mobile California Walnut Rating 4.9 based on 90 votes Official Website http://www.simplemobile.com/ Products Phones Cell Phone Plans NameAddressPhone Name/Address/Phone SIMPLE Mobile outlet - Walnut 18730 Amar Rd (626) 965-7377 SIMPLE Mobile outlet - Walnut 21590 Valley Blvd (909) 444-7807 SIMPLE Mobile outlet - Walnut Ndcbu #89355 (909) 594-6322 SIMPLE Mobile outlet - Walnut 20677 Amar Rd (909) 598-6534 People Also Viewed