Banterra Bank, Banterra Bank Basic Info Reviews Routing Numbers Map & Direction Name: Banterra Bank, Banterra Bank Main Office: Yes Service: Full Service Brick and Mortar Office Location: 3201 Banterra Drive Marion, Illinois 62959 Williamson County View other branches Phone: 618-993-2678 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer081215597YN081222593YY From: To: