FDIC-insured bank
Oklahoma State Bank — Buffalo, OK
Bank headquartered in Buffalo, Oklahoma, part of BUFFALO BANCSHARES INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 122 South Hoy St Buffalo, OK 73834 |
| County | Harper |
| Website | www.osbbuffalo.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 13416 |
| Federal Reserve RSSD ID | 324256 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | BUFFALO BANCSHARES INC |
| Domestic offices | 2 |
| Financials as of | June 30, 2026 |
How to find your Oklahoma State Bank 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.osbbuffalo.com.
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Offices nearest to headquarters
| Oklahoma State Bank main office Buffalo, OK |
122 South Hoy St, 73834 |
| Gage Branch Gage, OK |
506 North Main Street, 73843 |
Where Oklahoma State Bank has offices
Cities with the most Oklahoma State Bank offices
Largest banks headquartered elsewhere in Oklahoma
| BOKF, National Association Tulsa | $52.98 billion |
| MidFirst Bank Oklahoma City | $42.83 billion |
| First United Bank and Trust Company Durant | $16.59 billion |
| BancFirst Oklahoma City | $12.80 billion |
| Stride Bank, National Association Enid | $5.42 billion |
| InterBank Oklahoma City | $5.33 billion |
| RCB Bank Claremore | $3.98 billion |
| First Fidelity Bank Oklahoma City | $2.98 billion |
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