Bank Mutual, 319 East Grand Avenue Branch Basic Info Reviews Routing Numbers Map & Direction Name: Bank Mutual, 319 East Grand Avenue Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 319 East Grand Avenue Eau Claire, Wisconsin 54701 Eau Claire County View other branches Phone: 715-833-7700 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer275071330YY275970981YN From: To: