First Interstate Bank
Billings, MT
IDRSSD: 659855
Total Assets
$26.57B
Latest filing
Total Deposits
$22.40B
Latest filing
Net Interest Margin
3.52%
Profitability
Routing numbers
Primary routing transit numbers associated with this institution.
1 routeView all→
092901683BILLINGS, MT
Key People
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Locations
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Main Office
First Interstate Bank
401 N 31st St
Billings, MT 59101
Full Service - Brick and Mortar
Updated 01/30/2026Established 10/09/1916FDIC Certificate 748
Branches (289)
Page 1 of 42| Name | Address | City / State |
|---|---|---|
| First Interstate Bank (Main) | 401 N 31st St | Billings, MT |
| PRINCETON BRANCH | 21783 Us Highway 65 | Princeton, MO |
| RED OAK BRANCH | 2100 Commerce Dr | Red Oak, IA |
| CUSTER BRANCH | 648 Mount Rushmore Rd | Custer, SD |
| CHARITON BRANCH | 201 N Main St | Chariton, IA |
| MOUNT AYR BRANCH | 100 E South St | Mount Ayr, IA |
| ABSAROKEE BRANCH | 3 S Woodard Ave | Absarokee, MT |
| WHITEFISH BRANCH | 306 Spokane Ave | Whitefish, MT |
Showing 7 of 289
Quarterly Trends
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Total Assets vs Total Liabilities
Loans & Leases vs Deposits
Interest Income vs Expense
Net Interest Income
Noninterest Expense vs Income
Net Income
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Institution Profile
| Institution Class | Commercial bank, state charter, Fed member, supervised by FRB |
| Primary Regulator | FED |
| Established Date | 10/09/1916 |
| Community Bank | No |
| Ownership Type | Not Mutual |
| ZIP | 59101 |
| State and County Number | 30111 |
| Subchapter S Corporations | No |
| Trust Powers | Full Trust Powers Granted |
| Federal Reserve ID Number | 09 |
| Numeric code | 13 |
| Insured by FDIC | Institutions that are currently open and insured by the FDIC |
| Federal Reserve District | San Francisco |
| Core Based Statistical Area Name | Billings, MT |
Operational Info
| Number of Employees | 3,237 |
| Domestic Offices | 302 |
| Foreign Offices | 0 |
| US Offices | 0 |
| Directly owned by another bank (CERT) | No |
| Last Structure Change Effective Date | 10/10/2025 |
| Date of Deposit Insurance | 01/01/1934 |
| Primary Insurance Agency | DIF |
| Website | www.firstinterstatebank.com |
| Data Updated | 01/30/2026 |
| CERT | 1105 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $26.57B |
| Total Deposits | $22.40B |
| Total Liabilities | $23.20B |
| Total Equity Capital | $3.37B |
| Net Income | $115.81M |
| Net Loans and Leases | $15.08B |
| Assets Per Employee ($Millions) | $8.38M |
| Bank Premises and Fixed Assets | $401.06M |
| Cash and Balances due from Depository Institutions | $1.31B |
| Deposits Held in Domestic Offices | $22.40B |
Key Performance Ratios
| Return on Assets (ROA) | 1.72% |
| Return on Equity (ROE) | 13.71% |
| Net Interest Margin | 3.52% |
| Efficiency Ratio | 49.46% |
| Tier 1 Risk-Based Capital Ratio | 14.128% |
| Net Loans and Leases to Core Deposits | 0% |
| Credit Loss Provision to Assets | 0.11% |
| Cash Dividends to Net Income (YTD Only) | 0% |
| Equity Capital to Assets | 12.689% |
| Earning Assets to total Assets | 89.18% |
Income and Expense
| Total Interest Income | $285.14M |
| Total Noninterest Income | $104.75M |
| Total Interest Expense | $73.76M |
| Total Noninterest Expense | $159.78M |
| Net Interest Income | $211.38M |
| Pre-tax Net Operating Income | $149.28M |
| Provision for Credit Losses | $7.08M |
| Discontinued Operations (Extraordinary Gains - Net) | $0 |
Additional Financial Info
| Goodwill and Other Intangibles | $0 |
| All Other Assets | — |
| Other Real Estate Owned | $3.43M |
| Other borrowed funds | $24.00M |
| Federal Funds Sold & Reverse Repurchase Agreement | $61.00k |
| Federal Funds Purchased and Repurchased Agreement | $479.56M |
| All Other Liabilities | $219.74M |
| Total Liabilities and Capital | $26.57B |
Securities
| Securities | $7.63B |
| Available-for-sale debt securities | $5.29B |
| Equity securities with readily determinable fair values not held for trading | — |
| Held-to-maturity securities | $2.34B |
| Subordinated Debt | $0 |
| Trading Account Assets | $26.58M |
| Trading Liabilities | $77.26M |
Frequently Asked Questions
What are the total assets of First Interstate Bank?
$26.57B as of the latest filing.
How much are First Interstate Bank's total deposits?
$22.40B in total deposits.
Where is First Interstate Bank located?
Billings, MT.
What is the Net Interest Margin?
3.52%.
How many domestic offices does it operate?
302.
When was it established?
10/09/1916.
What is the Return on Assets (ROA)?
1.72%.
How much are total loans and leases?
$15.08B (latest filing).
What is the total interest income (latest filing)?
$285.14M.