FIRST FINANCIAL BANK, N.A. Routing Number: 083974467
- Routing Number: 083974467
- Bank Name: FIRST FINANCIAL BANK, N.A.
- Address: 4400 LEWIS STREET
- State: OH
- Zip Code: 45044-0000
- Bank Phone: 877-322-9530
- Office Type: Main
- City: MIDDLETON
- Institution Status Code: 1