First Southern Bank, Illinois Centre Mall Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Southern Bank, Illinois Centre Mall Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1303 Marathon Drive Marion, Illinois 62959 Williamson County View other branches Phone: 618-997-4341 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer081203208YN081204854YN081213285YN081222438YN081222797YN From: To:
