Southern Bank, Thayer Drive-In Facility Basic Info Reviews Routing Numbers Map & Direction Name: Southern Bank, Thayer Drive-In Facility Main Office: No Service: Limited Service Facility Office Location: Highways 63 And 142 Thayer, Missouri 65791 Oregon County View other branches Phone: 417-264-7217 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer081503911YN081515462YN082906737YN082908861YN084108711YN281573259YY From: To: