Bank of Tennessee, Gray Branch Basic Info Reviews Routing Numbers Map & Direction Name: Bank of Tennessee, Gray Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 402 Roy Martin Road Gray, Tennessee 37615 Washington County View other branches Phone: 423-282-9500 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer064202705YY064208013YY From: To: