List of SIMPLE Mobile Stores in Watertown, MA Outlet Note Regular Brands SIMPLE Mobile Massachusetts Watertown 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 - Watertown 113 Mount Auburn St (617) 924-2006 SIMPLE Mobile outlet - Watertown 550 Arsenal St Ste 2 SIMPLE Mobile outlet - Watertown 22 North Beacon Street SIMPLE Mobile outlet - Watertown 27-43 Main St (617) 926-6660 People Also Viewed