Home > Locations > Knoxville, TN Knoxville, TN Location Information 746 N Hall of Fame Dr. Knoxville, TN 37917-6721 Get directions Phone: 865.546.2386 Fax: 865.546.2598 ServiceAvailable onsite with appointment EvaluationAvailable onsite with appointment Normal Business Hours Monday - Friday 8:30 am - 5:00 pm After-Hours (Phone Support) Mon-Fri 5:00 pm - 12 am (EST) Sat-Sun 10:00 am - 7:00 pm (EST) (800) 500-9150 Log into myNumotion app to live chat, check your order status, or pay your invoice.