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Routing Number
The routing number for First Financial Bank is 282970110. See where you can find it on your checks.
Learn MoreFinancial Calculators
Plug in your numbers and use our handy online calculators to do your budgeting.
Learn MoreThe routing number for First Financial Bank is 282970110. See where you can find it on your checks.
Learn MorePlug in your numbers and use our handy online calculators to do your budgeting.
Learn More