The Baraboo National Bank, Southwest Branch Basic Info Reviews Routing Numbers Map & Direction Name: The Baraboo National Bank, Southwest Branch Main Office: No Service: Full Service Retail Office Location: 920 Hwy 12 Baraboo, Wisconsin 53913 Sauk County View other branches Phone: 608-355-6235 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075901590YY075918237YN From: To: