IAB Financial Bank, Harlan Branch Basic Info Reviews Routing Numbers Map & Direction Name: IAB Financial Bank, Harlan Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 17505-17507 State Road 37 Harlan, Indiana 46743 Allen County View other branches Phone: 260-422-2265 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071205850YY074913275YY074913314YY From: To: