Merchants Bank of Indiana, Lynn Branch Basic Info Reviews Routing Numbers Map & Direction Name: Merchants Bank of Indiana, Lynn Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 7375 South Us Highway 27 Lynn, Indiana 47355 Randolph County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer074014433YY074909153YY From: To: