First Mid-Illinois Bank & Trust, De Soto Facility Basic Info Reviews Routing Numbers Map & Direction Name: First Mid-Illinois Bank & Trust, De Soto Facility Main Office: No Service: Full Service Brick and Mortar Office Location: 102 North Chestnut Street De Soto, Illinois 62924 Jackson County View other branches Phone: 618-867-3334 Please enable JavaScript to view the comments powered by Disqus. From: To: