First Financial Bank, Sullivan Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Financial Bank, Sullivan Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 15 South Main Street Sullivan, Indiana 47882 Sullivan County View other branches Phone: 812-268-3331 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071100858YN071103473YY074900356YY From: To: