FDIC-insured bank
First Bank of Ohio — Tiffin, OH
Bank headquartered in Tiffin, Ohio, part of TONTI FINANCIAL CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 175 S Washington St Tiffin, OH 44883 |
| County | Seneca |
| Metro area | Tiffin, OH |
| Website | www.firstbankofohio.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 9450 |
| Federal Reserve RSSD ID | 586027 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | TONTI FINANCIAL CORP |
| Domestic offices | 5 |
| Financials as of | June 30, 2026 |
How to find your First Bank of Ohio routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.firstbankofohio.com.
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Offices nearest to headquarters
| First Bank Of Ohio main office Tiffin, OH |
175 S Washington St, 44883 |
| Bloomville Branch Bloomville, OH |
22 S Marion St, 44818 |
| Mount Vernon Branch Mount Vernon, OH |
115 W High St, 43050 |
| Marietta Branch Marietta, OH |
320 Front St, 45750 |
| Belpre Branch Belpre, OH |
1100 Washington Blvd, 45714 |
Where First Bank of Ohio has offices
Cities with the most First Bank of Ohio offices
Largest banks headquartered elsewhere in Ohio
| JPMorgan Chase Bank, National Association Columbus | $4.09 trillion |
| U.S. Bank National Association Cincinnati | $705.55 billion |
| Fifth Third Bank, National Association Cincinnati | $299.18 billion |
| The Huntington National Bank Columbus | $283.07 billion |
| KeyBank National Association Cleveland | $188.56 billion |
| First Financial Bank Cincinnati | $22.35 billion |
| Third Federal Savings and Loan Association of Cleveland Cleveland | $18.06 billion |
| The Park National Bank Newark | $12.61 billion |
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