1st Source Bank, Plymouth Main Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Plymouth Main Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 315 North Michigan Street Plymouth, Indiana 46563 Marshall County View other branches Phone: 574-935-1522 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To:
