River Valley Bank, Tomahawk Office Basic Info Reviews Routing Numbers Map & Direction Name: River Valley Bank, Tomahawk Office Main Office: No Service: Full Service Brick and Mortar Office Location: 1218 N 4th St Tomahawk, Wisconsin 54487 Lincoln County View other branches Phone: 715-453-9900 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075911742YY075918185YN From: To: