Southern Bank, Alton Facility Basic Info Reviews Routing Numbers Map & Direction Name: Southern Bank, Alton Facility Main Office: No Service: Full Service Brick and Mortar Office Location: 400 Highway 160 West Alton Alton, Missouri 65606 Oregon County View other branches Phone: 417-778-9000 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer081503911YN081515462YN082906737YN082908861YN084108711YN281573259YY From: To: