List of T-Mobile Stores in Costa Mesa, CA Outlet Note Regular Brands T-Mobile California Costa Mesa Rating 4.8 based on 88 votes Official Outlet www.t-mobile.com/shop.aspx Official Website http://www.t-mobile.com/ Products Accessories Laptop Phones Smartphones Tablet Network Wireless Broadband NameAddressPhone Name/Address/Phone T-Mobile outlet - Costa Mesa 3333 Bristol St (800) 782-8888 T-Mobile outlet - Costa Mesa 2300 Harbor Blvd Ste N3 (949) 554-0630 T-Mobile outlet - Costa Mesa 299 E 17th St Ste A (949) 646-1934 People Also Viewed