1st Source Bank, Lapaz Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Lapaz Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 201 South Michigan St Lapaz, Indiana 46537 Marshall County View other branches Phone: 574-784-3111 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To: