Knoxville TVA Employees Credit Union Share: Financial Institutions Visit Website PO Box 36027 Knoxville, TN 37930 (865) 544-5400 Facebook Hours: Branch Hours:Monday - Friday 10:00am - 8:00pmSaturday - 9:00am - 1:00pm (Drive-Thru Only) About Map About Knoxville TVA Employees Credit Union has been serving Members for 90 years! Our journey started in the aftermath of the Great Depression when our founders realized TVA Employees needed a safe place to What's Nearby? Distance: 5 10 15 20 25 50 mi.