Midland States Bank, O'fallon Branch Basic Info Reviews Routing Numbers Map & Direction Name: Midland States Bank, O'fallon Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2341 Highway K O Fallon, Missouri 63368 St. Charles County View other branches Phone: 636-379-6100 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071920135YN081074495YN081204540YY107089717YN281073445YN From: To:
