Southern Michigan Bank & Trust, Tekonsha Branch Basic Info Reviews Routing Numbers Map & Direction Name: Southern Michigan Bank & Trust, Tekonsha Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 202 North Main Street Tekonsha, Michigan 49092 Calhoun County View other branches Phone: 517-767-3313 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072402283YY072402610YY072414459YN From: To: