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First Montana Bank, Inc. Locations & Branches Missoula, Montana
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First Montana Bank, Inc. operates 10 branches from its headquarters in Missoula, MT, .
First Montana Bank, Inc. branch network
All 10 branches are in MONTANA, across 8 cities. Anaconda, MT has the most of its branches, 2. Its largest office by deposits is the 1940 Dewey Boulevard Branch office in Butte, MT, with $124.7M (28.5% of its branch deposits). It had the same number of branches on June 30, 2025.
First Montana Bank, Inc. at a glance
Its CET1 capital ratio was 16.05% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $530.3M
- CET1 ratio, Q2 2026
- 16.05%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1913
Full financial profile · Is First Montana Bank, Inc. safe? · First Montana Bank, Inc. 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: Missoula, MT (2 branches) | 9 of 10 | 1.7% | $60.1M |
| State: MT (10 branches) | 12 of 48 | 1.1% | $437.9M |
Ranked by total assets among banks headquartered in the state: Largest banks in Montana.
Share by county and metro area
First Montana Bank, Inc.'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 |
|---|---|---|---|---|
| Silver Bow, MT (1 branch) | 4 of 7 | 13.8% | $124.7M | $906.2M |
| Lincoln, MT (2 branches) | 2 of 4 | 27.3% | $105.9M | $388.5M |
| Deer Lodge, MT (2 branches) | 2 of 2 | 42.8% | $66.6M | $155.5M |
| Missoula, MT (2 branches) | 10 of 11 | 1.5% | $60.1M | $3.95B |
| Flathead, MT (1 branch) | 11 of 12 | 1.5% | $57.7M | $3.97B |
| Gallatin, MT (1 branch) | 14 of 16 | 0.4% | $19.2M | $5.24B |
| Lewis And Clark, MT (1 branch) | 13 of 13 | 0.1% | $3.7M | $2.61B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Butte-Silver Bow, MT (1 branch) | 4 of 7 | 13.8% | $124.7M | $906.2M |
| Missoula, MT (2 branches) | 10 of 11 | 1.5% | $60.1M | $3.95B |
| Kalispell, MT (1 branch) | 11 of 12 | 1.5% | $57.7M | $3.97B |
| Bozeman, MT (1 branch) | 14 of 16 | 0.4% | $19.2M | $5.24B |
| Helena, MT (1 branch) | 14 of 14 | 0.1% | $3.7M | $2.74B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| 1940 Dewey Boulevard Branch | Butte, MT | 59701 | $124.7M |
| Libby Branch | Libby, MT | 59923 | $77.3M |
| Anaconda Branch | Anaconda, MT | 59711 | $62.3M |
| Kalispell Branch | Kalispell, MT | 59901 | $57.7M |
| Missoula Brooks Street Branch | Missoula, MT | 59801 | $33.3M |
| Libby Detached Facility | Troy, MT | 59935 | $28.6M |
| First Montana Bank, Inc. (main office) | Missoula, MT | 59802 | $26.8M |
| Bozeman Branch | Bozeman, MT | 59718 | $19.2M |
| Anaconda Branch | Anaconda, MT | 59711 | $4.3M |
| Helena Branch | Helena, MT | 59601 | $3.7M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 363) · FFIEC NIC profile (RSSD 613156)