1st Source Bank, Nappanee Branch Basic Info Reviews Routing Numbers Map & Direction Name: 1st Source Bank, Nappanee Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1600 East Market Street Nappanee, Indiana 46550 Elkhart County View other branches Phone: 574-773-5611 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071202756YY071212128YY From: To: