First Financial Bank, Clay City Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Financial Bank, Clay City Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 502-504 Main Street Clay City, Indiana 47841 Clay County View other branches Phone: 812-939-2145 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071100858YN071103473YY074900356YY From: To: