Bank Branches › Montana › Lewis and Clark County › 3401 N Montana Ave
Full-service office · FDIC office no. 359352
First Interstate Bank
3401 N Montana Ave, Helena, MT 59602
Open · June 2026
$77.2M
deposits, 2026
2000
established
13th
of 25 in county
1
name on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | First Interstate Bank | $77.2M | +2% |
| Jun 30 2025 | First Interstate Bank | $75.6M | +6% |
| Jun 30 2024 | First Interstate Bank | $71.5M | +7% |
| Jun 30 2023 | First Interstate Bank | $66.5M | +14% |
| Jun 30 2022 | First Interstate Bank | $58.1M | +7% |
| Jun 30 2021 | First Interstate Bank | $54.5M | +12% |
| Jun 30 2020 | First Interstate Bank | $48.4M | +9% |
| Jun 30 2019 | First Interstate Bank | $44.6M | +14% |
| Jun 30 2018 | First Interstate Bank | $39.0M | −3% |
| Jun 30 2017 | First Interstate Bank | $40.1M | +16% |
| Jun 30 2016 | First Interstate Bank | $34.4M | −3% |
| Jun 30 2015 | First Interstate Bank | $35.4M | +5% |
| Jun 30 2014 | First Interstate Bank | $33.6M | −28% |
| Jun 30 2013 | First Interstate Bank | $46.5M | 0% |
| Jun 30 2012 | First Interstate Bank | $46.4M | +14% |
| Jun 30 2011 | First Interstate Bank | $40.8M | −16% |
| Jun 30 2010 | First Interstate Bank | $48.9M | −2% |
| Jun 30 2009 | First Interstate Bank | $49.6M | +40% |
| Jun 30 2008 | First Interstate Bank | $35.4M | −8% |
| Jun 30 2007 | First Interstate Bank | $38.5M | −2% |
| Jun 30 2006 | First Interstate Bank | $39.5M | +43% |
| Jun 30 2005 | First Interstate Bank | $27.6M | +10% |
| Jun 30 2004 | First Interstate Bank | $25.1M | +23% |
| Jun 30 2003 | First Interstate Bank | $20.4M | +58% |
| Jun 30 2002 | First Interstate Bank | $12.9M | +54% |
| Jun 30 2001 | First Interstate Bank | $8.4M | |
| 2000-10-03 | Office established (FDIC record) — 1 years before this passbook begins | ||
Nearest other open offices in Lewis and Clark County
- 0.4 miJPMorgan Chase Bank, National Association · 3115 N Montana Ave, Helena
- 0.5 miStockman Bank of Montana · 3094 N Sanders St, Helena
- 0.5 miGlacier Bank · 3030 N Montana Ave, Helena
- 0.9 miOpportunity Bank of Montana · 2090 Cromwell Dixon Ln, Helena
- 1.1 miFarmers State Bank · 2125 N Last Chance Gulch, Helena
- 1.2 miAscent Bank · 2037 N Last Chance Gulch, Helena
- 1.8 miFirst Interstate Bank · 25 E Lyndale Ave, Helena
- 1.8 miStockman Bank of Montana · 931 N Last Chance Gulch, Helena
All banks in Lewis and Clark County →
Every First Interstate Bank office →
Earlier names and banks folded into First Interstate 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) 359352.