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Opportunity Bank of Montana Locations & Branches Helena, Montana
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Opportunity Bank of Montana operates 30 branches from its headquarters in Helena, MT, .
Opportunity Bank of Montana branch network
All 30 branches are in MONTANA, across 23 cities. Helena, MT has the most of its branches, 4. Its largest office by deposits is its main office in Helena, MT, with $250.4M (13.9% of its branch deposits). It had the same number of branches on June 30, 2025.
Opportunity Bank of Montana at a glance
Its CET1 capital ratio was 13.10% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $2.12B
- CET1 ratio, Q2 2026
- 13.10%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1922
Full financial profile · Is Opportunity Bank of Montana safe? · Opportunity Bank of Montana call report · 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: Helena, MT (4 branches) | 3 of 12 | 14.7% | $368.9M |
| State: MT (30 branches) | 6 of 48 | 4.6% | $1.81B |
Ranked by total assets among banks headquartered in the state: Largest banks in Montana.
Share by county and metro area
Opportunity Bank of Montana'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 |
|---|---|---|---|---|
| Lewis And Clark, MT (4 branches) | 3 of 13 | 14.1% | $368.9M | $2.61B |
| Gallatin, MT (3 branches) | 8 of 16 | 4.7% | $248.8M | $5.24B |
| Roosevelt, MT (3 branches) | 1 of 2 | 56.4% | $185.8M | $329.4M |
| Valley, MT (2 branches) | 1 of 4 | 50.4% | $173.6M | $344.8M |
| Silver Bow, MT (1 branch) | 3 of 7 | 13.8% | $125.5M | $906.2M |
| Broadwater, MT (1 branch) | 1 of 1 | 100.0% | $117.7M | $117.7M |
| Madison, MT (2 branches) | 2 of 3 | 36.4% | $110.7M | $304.2M |
| Yellowstone, MT (3 branches) | 7 of 12 | 1.4% | $107.5M | $7.43B |
| Missoula, MT (2 branches) | 9 of 11 | 1.8% | $70.9M | $3.95B |
| Park, MT (1 branch) | 4 of 5 | 10.9% | $63.8M | $587.6M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Helena, MT (4 branches) | 3 of 14 | 13.5% | $368.9M | $2.74B |
| Bozeman, MT (3 branches) | 8 of 16 | 4.7% | $248.8M | $5.24B |
| Butte-Silver Bow, MT (1 branch) | 3 of 7 | 13.8% | $125.5M | $906.2M |
| Billings, MT (3 branches) | 8 of 13 | 1.4% | $107.5M | $7.95B |
| Missoula, MT (2 branches) | 9 of 11 | 1.8% | $70.9M | $3.95B |
| Great Falls, MT (1 branch) | 8 of 11 | 2.4% | $52.0M | $2.18B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Opportunity Bank of Montana (main office) | Helena, MT | 59601 | $250.4M |
| Glasgow Branch | Glasgow, MT | 59230 | $157.0M |
| Bozeman Oak Branch | Bozeman, MT | 59715 | $146.5M |
| Butte Branch | Butte, MT | 59701 | $125.5M |
| Townsend Branch | Townsend, MT | 59644 | $117.7M |
| Wolf Point Branch | Wolf Point, MT | 59201 | $110.7M |
| Bozeman Valley Commons Branch | Bozeman, MT | 59718 | $84.1M |
| Helena Skyway Branch | Helena, MT | 59602 | $75.4M |
| Billings Shiloh Branch | Billings, MT | 59102 | $64.5M |
| Livingston Branch | Livingston, MT | 59047 | $63.8M |
| Sheridan Office Branch | Sheridan, MT | 59749 | $61.7M |
| Big Timber Branch | Big Timber, MT | 59011 | $59.3M |
| Great Falls Branch | Great Falls, MT | 59405 | $52.0M |
| Culbertson Branch | Culbertson, MT | 59218 | $51.5M |
| Missoula South Branch | Missoula, MT | 59801 | $50.1M |
| Twin Bridges Branch | Twin Bridges, MT | 59754 | $49.0M |
| Hamilton Branch | Hamilton, MT | 59840 | $37.2M |
| Dutton Branch | Dutton, MT | 59433 | $29.8M |
| Helena Neill Branch | Helena, MT | 59601 | $28.3M |
| Billings 27th Branch | Billings, MT | 59101 | $24.7M |
| Denton Branch | Denton, MT | 59430 | $23.8M |
| Froid Branch | Froid, MT | 59226 | $23.6M |
| Missoula Broadway Branch | Missoula, MT | 59808 | $20.8M |
| Billings Heights Branch | Billings, MT | 59105 | $18.4M |
| Three Forks Branch | Three Forks, MT | 59752 | $18.2M |
| Hinsdale Branch | Hinsdale, MT | 59241 | $16.6M |
| Ashland Branch | Ashland, MT | 59003 | $15.6M |
| Helena Branch | Helena, MT | 59602 | $14.8M |
| Choteau Branch | Choteau, MT | 59422 | $13.3M |
| Winifred Branch | Winifred, MT | 59489 | $2.2M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 30182) · FFIEC NIC profile (RSSD 685676)