Old National Bank, Berlin Branch Basic Info Reviews Routing Numbers Map & Direction Name: Old National Bank, Berlin Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 240 Broadway Street Berlin, Wisconsin 54923 Green Lake County View other branches Phone: 920-361-4361 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072413638YN072414271YN086300012YY275971087YY From: To: