MidCountry Bank, Mount Vernon Branch Basic Info Reviews Routing Numbers Map & Direction Name: MidCountry Bank, Mount Vernon Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2929 Broadway Street Mount Vernon, Illinois 62864 Jefferson County View other branches Phone: 618-242-5269 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer081204265YY291970033YY From: To: