The Greenwood's State Bank, Lake Mills Branch Basic Info Reviews Routing Numbers Map & Direction Name: The Greenwood's State Bank, Lake Mills Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 300 East Lake Street Lake Mills, Wisconsin 53551 Jefferson County View other branches Phone: 920-648-8361 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075903161YN075906126YN From: To: