FIRST FINANCIAL BANK, N.A. Routing Number: 042305420
- Routing Number: 042305420
- Bank Name: FIRST FINANCIAL BANK, N.A.
- Address: SUITE 600
- State: OH
- Zip Code: 45246-0000
- Bank Phone: 877-322-9530
- Office Type: Main
- City: CINCINNATI
- Institution Status Code: 1