Bank Branches › Montana › Silver Bow County › 3401 Harrison Ave
Full-service office · FDIC office no. 278971
Opportunity Bank of Montana
3401 Harrison Ave, Butte, MT 59701
Open · June 2026
$125M
deposits, 2026
1922
established
3rd
of 9 in county
2
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | Opportunity Bank of Montana | $125M | +6% |
| Jun 30 2025 | Opportunity Bank of Montana | $118M | +4% |
| Jun 30 2024 | Opportunity Bank of Montana | $114M | +3% |
| Jun 30 2023 | Opportunity Bank of Montana | $110M | +3% |
| Jun 30 2022 | Opportunity Bank of Montana | $107M | +5% |
| Jun 30 2021 | Opportunity Bank of Montana | $102M | +21% |
| Jun 30 2020 | Opportunity Bank of Montana | $84.4M | +17% |
| Jun 30 2019 | Opportunity Bank of Montana | $72.1M | +2% |
| Jun 30 2018 | Opportunity Bank of Montana | $70.7M | +4% |
| Jun 30 2017 | Opportunity Bank of Montana | $67.9M | −1% |
| Jun 30 2016 | Opportunity Bank of Montana | $68.4M | +3% |
| Jun 30 2015 | Opportunity Bank of MontanaNEW NAME | $66.7M | +8% |
| Jun 30 2014 | American Federal Savings Bank | $62.0M | +1% |
| Jun 30 2013 | American Federal Savings Bank | $61.5M | +8% |
| Jun 30 2012 | American Federal Savings Bank | $56.9M | +7% |
| Jun 30 2011 | American Federal Savings Bank | $53.0M | +4% |
| Jun 30 2010 | American Federal Savings Bank | $50.9M | 0% |
| Jun 30 2009 | American Federal Savings Bank | $51.0M | −1% |
| Jun 30 2008 | American Federal Savings Bank | $51.2M | +6% |
| Jun 30 2007 | American Federal Savings Bank | $48.2M | +1% |
| Jun 30 2006 | American Federal Savings Bank | $47.6M | +4% |
| Jun 30 2005 | American Federal Savings Bank | $45.8M | −3% |
| Jun 30 2004 | American Federal Savings Bank | $47.2M | +1% |
| Jun 30 2003 | American Federal Savings Bank | $46.6M | +11% |
| Jun 30 2002 | American Federal Savings Bank | $41.9M | +14% |
| Jun 30 2001 | American Federal Savings Bank | $36.7M | +10% |
| Jun 30 2000 | American Federal Savings Bank | $33.5M | +8% |
| Jun 30 1999 | American Federal Savings Bank | $31.0M | +1% |
| Jun 30 1998 | American Federal Savings Bank | $30.7M | +3% |
| Jun 30 1997 | American Federal Savings Bank | $29.7M | +5% |
| Jun 30 1996 | American Federal Savings Bank | $28.3M | +13% |
| Jun 30 1995 | American Federal Savings Bank | $25.1M | +5% |
| Jun 30 1994 | American Federal Savings Bank | $24.0M | |
| 1922-01-01 | Office established (FDIC record) — 72 years before this passbook begins | ||
Nearest other open offices in Silver Bow County
- 0.1 miBank of Bridger, National Association · 3525 Harrison Ave, Butte
- 0.4 miWells Fargo Bank, National Association · 3650 Harrison Ave, Butte
- 0.4 miGlacier Bank · 3701 Harrison Ave, Butte
- 0.5 miFirst Montana Bank, Inc. · 1940 Dewey Blvd, Butte
- 1.1 miCitizens Alliance Bank · 605 Dewey Blvd, Butte
- 1.3 miGlacier Bank · 1880 Harrison Ave, Butte
- 1.3 miGlacier Bank · 1880 Harrison Ave, Butte
- 2.8 miU.S. Bank National Association · 10 S Main St, Butte
All banks in Silver Bow County →
Every Opportunity Bank of Montana office →
Earlier names and banks folded into Opportunity Bank of Montana →
Names on the sign
1994–2014American Federal Savings Bank2015–nowOpportunity Bank of Montana
The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.
Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 278971.