American Bank Of Texas Address: 20480 State Highway 46 W, Spring Branch, TX 78070 Phone: (830) 980-5860 Banks Other Businesses: Blanco National Bank at 20475 State Highway 46 W, Spring Branch, TX 78070 Broadway Bank at 20440 State Highway 46 W, Spring Branch, TX 78070 Braodway National Bank at 20440 State Highway 46 W, Spring Branch, TX 78070 Chase ATM - Closed at 19995 State Highway 46 W, Spring Branch, TX 78070