1st Source Bank, Stevensville Martins Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Stevensville Martins Branch Main Office: No Service: Full Service Retail Office Location: 5639 Cleveland Avenue Stevensville, Michigan 49127 Berrien County View other branches Phone: 269-556-0258 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To: