Old National Bank, Fitchburg Branch Basic Info Reviews Routing Numbers Map & Direction Name: Old National Bank, Fitchburg Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3052 Cahill Main Fitchburg, Wisconsin 53711 Dane County View other branches Phone: 608-270-4080 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072413638YN072414271YN086300012YY275971087YY From: To: