List of T-Mobile Stores in Round Lake Beach, IL Outlet Note Regular Brands T-Mobile Illinois Round Lake Beach 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 - Round Lake Beach 1908 IL Route 83 (847) 223-0479 T-Mobile outlet - Round Lake Beach 772 E Rollins Rd (847) 265-3687 T-Mobile outlet - Round Lake Beach 772 E Rollins Rd (847) 265-3687 People Also Viewed