Southern Michigan Bank & Trust, Hillsdale Branch Basic Info Reviews Routing Numbers Map & Direction Name: Southern Michigan Bank & Trust, Hillsdale Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 10 East Carlton Road Hillsdale, Michigan 49242 Hillsdale County View other branches Phone: 517-439-1500 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072402283YY072402610YY072414459YN From: To: