Blue Cross Blue Shield of Texas Share: Insurance Providers Blue Cross Blue Shield of Texas Visit Website 1800 West Loop S. Ste. 600 Houston, TX 77027 (713) 354-7036 (713) 354-7748 (fax) Hours: 8 a.m. to 5 p.m. About Map About We are the only statewide, customer-owned health insurer in Texas and the largest provider of health benefits in the state serving 5 million members in all 254 counties. What's Nearby? Distance: 5 10 15 20 25 50 mi.