Bank Mutual, Prime Branch Basic Info Reviews Routing Numbers Map & Direction Name: Bank Mutual, Prime Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 330 North Broadway De Pere, Wisconsin 54115 Brown County View other branches Phone: 920-337-2400 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer275071330YY275970981YN From: To: