Simmons Bank Share: Financial Institutions Simmons Bank Visit Website Request Info 710 S. Foothills Plaza Dr. Maryville , TN 37801 (865) 724-2348 LinkedIn Facebook Instagram About Map About We are a full service financial institution headquartered in Little Rock, AR. We have 7 full service offices located in East Tennessee and a mortgage office in Knoxville with a commercial banker. What's Nearby? Distance: 5 10 15 20 25 50 mi.