First Financial Bank, Fairfield Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Financial Bank, Fairfield Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 303 West Delaware Street Fairfield, Illinois 62837 Wayne County View other branches Phone: 618-842-2145 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071100858YN071103473YY074900356YY From: To: