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O'Bannon Banking Company Locations & Branches Buffalo, Missouri
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O'Bannon Banking Company operates 5 branches from its headquarters in Buffalo, MO, . Its main office is at 1347 S Ash St, Buffalo, MO 65622.
O'Bannon Banking Company branch network
All 5 branches are in MISSOURI, across 5 cities. Its largest office by deposits is its main office in Buffalo, MO, with $179.7M (60.5% of its branch deposits). It had the same number of branches on June 30, 2025.
O'Bannon Banking Company at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 9.36% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $332.6M
- Tier 1 leverage ratio, Q2 2026
- 9.36%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1905
Full financial profile · Is O'Bannon Banking Company safe? · O'Bannon Banking Company Q3 2026 call report, filed October 26, 2026 (preliminary) · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Buffalo, MO (1 branch) | 1 of 4 | 53.1% | $179.7M |
| State: MO (5 branches) | 113 of 249 | 0.1% | $297.0M |
Ranked by total assets among banks headquartered in the state: Largest banks in Missouri.
Share by county and metro area
O'Bannon Banking Company's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Dallas, MO (1 branch) | 1 of 4 | 42.6% | $179.7M | $422.2M |
| Greene, MO (4 branches) | 23 of 35 | 0.8% | $117.3M | $14.03B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Springfield, MO (5 branches) | 16 of 41 | 1.7% | $297.0M | $17.79B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| O'Bannon Banking Company (main office) | Buffalo, MO | 65622 | $179.7M |
| Fair Grove Branch | Fair Grove, MO | 65648 | $42.8M |
| Strafford Branch | Strafford, MO | 65757 | $34.8M |
| O'Bannon Bank - Springfield Branch | Springfield, MO | 65804 | $20.9M |
| O'Bannon Banking Company Pleasant Hope Branch | Pleasant Hope, MO | 65725 | $18.8M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 8295) · FFIEC NIC profile (RSSD 955940)