Commercial Bank, Highway 33 Branch Basic Info Reviews Routing Numbers Map & Direction Name: Commercial Bank, Highway 33 Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2600 Maynardville Highway Maynardville, Tennessee 37807 Union County View other branches Phone: 865-992-5245 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer064202983YY064208327YN From: To: