Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Montana › Lewis and Clark County › 2021 N Montana Ave

Full-service office · FDIC office no. 46863

First Interstate Bank
2021 N Montana Ave, Helena, MT 59601

Last reported 2021

$269M
peak deposits
1991
established
—
rank in county
3
names on the sign

This office filed its last FDIC deposit report in 2021. It is missing from every report since, which usually means it closed. The FDIC record doesn't give a reason. Lewis and Clark County has 25 offices open today, listed below.

This office's passbook1994–2021
DateBank on the signDepositsChange
Jun 30 2026NOT REPORTED missing from the 2026 report (and every year since 2022)
Jun 30 2021First Interstate Bank$123M+15%
Jun 30 2020First Interstate Bank$107M+12%
Jun 30 2019First Interstate Bank$95.8M−17%
Jun 30 2018First Interstate Bank$116M−26%
Jun 30 2017First Interstate Bank$157M−3%
Jun 30 2016First Interstate Bank$162M−12%
Jun 30 2015First Interstate BankNEW NAME$184M−18%
Jun 30 2014Mountain West Bank, National Association$223M+3%
Jun 30 2013Mountain West Bank, National Association$216M+2%
Jun 30 2012Mountain West Bank, National Association$212M−1%
Jun 30 2011Mountain West Bank, National Association$213M−12%
Jun 30 2010Mountain West Bank, National Association$241M−8%
Jun 30 2009Mountain West Bank, National Association$263M−2%
Jun 30 2008Mountain West Bank, National Association$269M+3%
Jun 30 2007Mountain West Bank, National Association$261M+5%
Jun 30 2006Mountain West Bank, National Association$248M+12%
Jun 30 2005Mountain West Bank, National Association$222M+14%
Jun 30 2004Mountain West Bank, National Association$194M−3%
Jun 30 2003Mountain West Bank, National Association$201M+9%
Jun 30 2002Mountain West Bank, National Association$184M+8%
Jun 30 2001Mountain West Bank, National Association$171M+28%
Jun 30 2000Mountain West Bank, National Association$133M+26%
Jun 30 1999Mountain West Bank, National Association$106M+2%
Jun 30 1998Mountain West Bank, National AssociationNEW NAME$103M+6%
Jun 30 1997Mountain West Bank of Helena, National Association$97.5M+9%
Jun 30 1996Mountain West Bank of Helena, National Association$89.7M+29%
Jun 30 1995Mountain West Bank of Helena, National Association$69.7M+57%
Jun 30 1994Mountain West Bank of Helena, National Association$44.5M
1991-02-04Office established (FDIC record) — 3 years before this passbook begins

Nearest open offices in Lewis and Clark County

  1. <0.1 miFarmers State Bank · 2125 N Last Chance Gulch, Helena
  2. 0.1 miAscent Bank · 2037 N Last Chance Gulch, Helena
  3. 0.7 miGlacier Bank · 3030 N Montana Ave, Helena
  4. 0.8 miStockman Bank of Montana · 3094 N Sanders St, Helena
  5. 0.8 miFirst Interstate Bank · 25 E Lyndale Ave, Helena
  6. 0.8 miJPMorgan Chase Bank, National Association · 3115 N Montana Ave, Helena
  7. 0.8 miStockman Bank of Montana · 931 N Last Chance Gulch, Helena
  8. 1.0 miOpportunity Bank of Montana · 2090 Cromwell Dixon Ln, Helena

All banks in Lewis and Clark County →
Every First Interstate Bank office →
What became of First Interstate Bank →

Names on the sign

1994–1997Mountain West Bank of Helena, National Association1998–2014Mountain West Bank, National Association2015–2021First Interstate Bank

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) 46863.