1st Source Bank, Granger Martins Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Granger Martins Branch Main Office: No Service: Full Service Retail Office Location: 12850 State Rd 23 Granger, Indiana 46530 St Joseph County View other branches Phone: 574-274-4236 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To:
