FIRST FINANCIAL BANK, NA Routing Number: 242272272
- Routing Number: 242272272
- Bank Name: FIRST FINANCIAL BANK, NA
- Address: 4400 LEWIS STREET
- State: OH
- Zip Code: 45044-0000
- Bank Phone: 877-322-9530
- Office Type: Main
- City: MIDDLETOWN
- Institution Status Code: 1