Hawthorn Bank, Warsaw Branch Basic Info Reviews Routing Numbers Map & Direction Name: Hawthorn Bank, Warsaw Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 200 Main Warsaw, Missouri 65355 Benton County View other branches Phone: 660-438-2847 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer086500605YY101205678YN101207087YN101906171YN101917827YN From: To: