IAB Financial Bank, New Haven Branch Basic Info Reviews Routing Numbers Map & Direction Name: IAB Financial Bank, New Haven Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 11075 Isabelle Drive New Haven, Indiana 46774 Allen County View other branches Phone: 260-493-2884 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071205850YY074913275YY074913314YY From: To: