Bank · complaint record
First Interstate Bancsystem complaints
Filed under FIRST INTERSTATE BANCSYSTEM, INC.
Consumers have filed 257 complaints about First Interstate Bancsystem since 2017, 50 of them in the last 12 months (+61% on the year before). It answered 100% on time and closed 8% with relief for the customer - less often than a typical bank. The most common problem is managing an account.
Average response record. How it works
- Complaints on record
- 257
- Last 12 months
- 50
- Answered on time
- 100%
- Closed with relief
- 8%
- Last 30 days
- 0
- Rank
- #81 of 188
Since August 2017
+61% vs the year before
Industry: 99.3%
Typical bank: 19%
Newest: Sep 28, 2026
Most complained-about banks & credit unions
First Interstate Bancsystem complaints by month
The busiest month was May 2023 (20 complaints). Complaints in the last 12 months are up 61% on the year before. Complaints rise with a company's size and with news, so compare trends rather than totals.
How First Interstate Bancsystem answered last 12 months
- Closed with monetary relief48%
- Closed with explanation4692%
"Closed with explanation" means the company replied but gave no money back and changed nothing. What each answer means
- Answers on time45/45100% on time
- Relief for customers9/408% closed with relief
- Complaint trend4/15+61% vs last year
What First Interstate Bancsystem complaints are about
Top First Interstate Bancsystem problems last 12 months
Inside "Managing an account"
- Deposits and withdrawals 18
- Fee problem 15
- Problem using a debit or ATM card 12
- Funds not handled or disbursed as instructed 11
- Banking errors 9
- Problem accessing account 7
Where First Interstate Bancsystem complaints come from
Most complaints: Montana (47), South Dakota (32), Oregon (30), Washington (22), Wyoming (18).
First Interstate Bancsystem compared with other banks & credit unions
| # | Company | Score | 12 months | Grade |
|---|---|---|---|---|
| 1 | First HawaiianBank accounts | 66 | 53 | B |
| 2 | Dollar Mutual BancorpBank accounts | 59 | 51 | C |
| 3 | First Interstate BancsystemBank accounts | 58 | 50 | C |
| 4 | B9, IncBank accounts | 0 | 49 | F |
| 5 | Majority USABank accounts | 43 | 48 | D |
| 6 | First Commonwealth FinancialBank accounts | 54 | 47 | C |
| 7 | Community Financial SystemBank accounts | 41 | 47 | D |
| 8 | United BanksharesBank accounts | 32 | 46 | F |
Compare side by side: First Interstate Bancsystem vs First Hawaiian · First Interstate Bancsystem vs Dollar Mutual Bancorp · First Interstate Bancsystem vs B9, Inc · First Interstate Bancsystem vs Majority USA
What people say about First Interstate Bancsystem
All experiencesNo experiences with First Interstate Bancsystem yet. Yours would be the first on the record - and the one the next person reads.
Share yoursLatest First Interstate Bancsystem complaints
Full log| Received | About | Issue | Answer |
|---|---|---|---|
| Sep 28, 2026 | Bank accounts | Managing an accountDeposits and withdrawals | Explained |
| Sep 17, 2026 | Mortgages | Trouble during payment processPayment process | Explained |
| Sep 15, 2026 | Credit cards | Closing your accountCan't close your account | Explained |
| Sep 1, 2026 | Bank accounts | Managing an accountProblem accessing account | Explained |
| Aug 28, 2026 | Bank accounts | Managing an accountProblem using a debit or ATM card | Explained |
| Aug 21, 2026 | Bank accounts | Managing an accountFee problem | Explained |
| Aug 1, 2026 | Payday & personal loans | Problem when making payments | Explained |
| Jul 16, 2026 | Credit cards | Closing your accountCan't close your account | Explained |
| Jul 11, 2026 | Credit cards | Problem with a purchase shown on your statementCredit card company isn't resolving a dispute about a purchase on your statement | Explained |
| Jun 29, 2026 | Bank accounts | Managing an accountDeposits and withdrawals | Explained |
| Jun 3, 2026 | Bank accounts | Problem with a lender or other company charging your accountTransaction was not authorized | Explained |
| May 19, 2026 | Bank accounts | Opening an accountConfusing or missing disclosures | Money back |
Questions about First Interstate Bancsystem
How many complaints does First Interstate Bancsystem have?
First Interstate Bancsystem has 257 complaints on record since August 2017, including 50 in the last 12 months and 0 in the last 30 days. That makes it number 673 of every company by complaints this year.
Does First Interstate Bancsystem respond to complaints?
Yes. First Interstate Bancsystem answered 100% of its complaints on time (within 15 days) and closed 8% with relief - money back or a fix; 8% ended with money back. The rest were mostly closed with an explanation only. Its Response Score is 58/100 (grade C).
What do people complain about most with First Interstate Bancsystem?
The most common problems are managing an account (82), incorrect information on your report (19), problem with a purchase shown on your statement (6).
Is First Interstate Bancsystem legit?
First Interstate Bancsystem is a real company with a public complaint record: consumers have complained about it 257 times and it answers through the official complaint process. Whether it is right for you depends on the details - see is First Interstate Bancsystem legit? for the signals, red flags and how to protect yourself.
Are complaints about First Interstate Bancsystem going up or down?
Up. There were 50 complaints in the last 12 months against 31 in the 12 before (+61%). See every month.
How do I file a complaint against First Interstate Bancsystem?
Complain to First Interstate Bancsystem in writing first and keep a copy. If it isn't fixed, file an official complaint with the federal consumer financial regulator - the company must answer, usually within 15 days. Our step-by-step guide: how to file a complaint against a company. Then share your experience here so others know.
Where do most First Interstate Bancsystem complaints come from?
Most come from Montana (47), South Dakota (32), Oregon (30). Big states file more complaints, so the map shows complaints per 100,000 people.
Complaint records are public consumer complaints filed with U.S. regulators, checked (newest received Nov 15, 2026). Complaints are consumers' own accounts and are not verified; counts grow with a company's size. How the data works
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