FDIC-insured bank
Opportunity Bank of Montana — Helena, MT
Bank headquartered in Helena, Montana, part of EAGLE BCORP MONTANA INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 1400 Prospect Ave Helena, MT 59601 |
| County | Lewis And Clark |
| Metro area | Helena, MT |
| Website | www.opportunitybank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 30182 |
| Federal Reserve RSSD ID | 685676 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | EAGLE BCORP MONTANA INC |
| Domestic offices | 30 |
| Financials as of | June 30, 2026 |
How to find your Opportunity Bank of Montana 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.opportunitybank.com.
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Offices nearest to headquarters
| Opportunity Bank Of Montana main office Helena, MT |
1400 Prospect Ave, 59601 |
| Helena Neill Branch Helena, MT |
28 Neill Ave, 59601 |
| Helena Skyway Branch Helena, MT |
2090 Cromwell Dixon Ln, 59602 |
| Helena Branch Helena, MT |
7517 Roughsawn Dr, 59602 |
| Townsend Branch Townsend, MT |
400 Broadway St, 59644 |
| Butte Branch Butte, MT |
3401 Harrison Ave, 59701 |
| Three Forks Branch Three Forks, MT |
120 S Montana St, 59752 |
| Twin Bridges Branch Twin Bridges, MT |
107 S Main St, 59754 |
| Sheridan Office Branch Sheridan, MT |
103 N Main St, 59749 |
| Great Falls Branch Great Falls, MT |
501 River Dr S, 59405 |
| Choteau Branch Choteau, MT |
27 1st St Nw, 59422 |
| Dutton Branch Dutton, MT |
101 Main St W, 59433 |
30 offices in total. Browse them by city through the state pages.
Where Opportunity Bank of Montana has offices
Cities with the most Opportunity Bank of Montana offices
Other banks headquartered in Helena
| Bank of The Rockies | $277.45 million |
| Ascent Bank | $104.06 million |
Largest banks headquartered elsewhere in Montana
| Glacier Bank Kalispell | $31.58 billion |
| First Interstate Bank Billings | $25.79 billion |
| Stockman Bank of Montana Miles City | $7.75 billion |
| Independence Bank Havre | $1.39 billion |
| The Yellowstone Bank Laurel | $1.34 billion |
| TrailWest Bank Lolo | $1.11 billion |
| Bank of Bridger, National Association Bridger | $802.73 million |
| Farmers State Bank Victor | $790.33 million |
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