List of AT&T Stores in Concord, CA Outlet Note Regular Brands AT&T California Concord Rating 4.6 based on 90 votes Official Outlet www.att.com/shop Official Website http://www.att.com/ Products Cell Phones Phones Internet Prepaid Plans Wireless Plans Smartphones Prepaid Phones Wireless Internet Wireless Phones Home Internet NameAddressPhone Name/Address/Phone AT&T outlet - Concord 402 Sun Valley Mall (925) 969-0607 AT&T outlet - Concord 5434 Ygnacio Valley Rd (925) 673-2120 AT&T outlet - Concord 2030 Diamond Blvd (925) 691-5408 People Also Viewed