AbbyBank, Wausau Branch Basic Info Reviews Routing Numbers Map & Direction Name: AbbyBank, Wausau Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 305 S. 18th Avenue Wausau, Wisconsin 54401 Marathon County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075911713YN091512251YN From: To: