First Business Bank, Oshkosh Loan Production Office Basic Info Reviews Routing Numbers Map & Direction Name: First Business Bank, Oshkosh Loan Production Office Main Office: No Service: Limited Service Loan Production Office Location: 230 Ohio Street, Suite 220 Oshkosh, Wisconsin 54903 Winnebago County View other branches Phone: 920-231-2400 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075905787YY075917908YY075918428YN From: To:
