Hawthorn Bank, Osceola Branch Basic Info Reviews Routing Numbers Map & Direction Name: Hawthorn Bank, Osceola Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 4th And Chestnut Osceola, Missouri 64776 St. Clair County View other branches Phone: 417-646-8192 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer086500605YY101205678YN101207087YN101906171YN101917827YN From: To: