Lake City Bank, Plymouth Branch Basic Info Reviews Routing Numbers Map & Direction Name: Lake City Bank, Plymouth Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 826 East Jefferson Street Plymouth, Indiana 46563 Marshall County View other branches Phone: 574-935-4200 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer074903719YY074913327YN From: To: