1st Source Bank, Erskine Martins Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Erskine Martins Branch Main Office: No Service: Full Service Retail Office Location: 926 Erskine Plaza South Bend, Indiana 46614 St Joseph County View other branches Phone: 574-235-2380 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To: