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First Interstate Bancsystem complaints

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

Since August 2017

Last 12 months
50

+61% vs the year before

Answered on time
100%

Industry: 99.3%

Closed with relief
8%

Typical bank: 19%

Last 30 days
0

Newest: Sep 28, 2026

Rank
#81 of 188

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

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Complaints per 100,000 peopleFewerMore

Most complaints: Montana (47), South Dakota (32), Oregon (30), Washington (22), Wyoming (18).

First Interstate Bancsystem compared with other banks & credit unions

#CompanyScore12 monthsChangeOn timeReliefGrade
1First HawaiianBank accounts6653+43%100%13%B
2Dollar Mutual BancorpBank accounts5951+2%100%4%C
3First Interstate BancsystemBank accounts5850+61%100%8%C
4B9, IncBank accounts049+133%79.6%0%F
5Majority USABank accounts4348+85%91.7%31%D
6First Commonwealth FinancialBank accounts5447+27%100%2%C
7Community Financial SystemBank accounts4147+38%97.9%0%D
8United BanksharesBank accounts3246+53%95.7%2%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

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Latest First Interstate Bancsystem complaints

Full log
ReceivedAboutIssueStateAnswerOn time
Sep 28, 2026Bank accountsManaging an accountDeposits and withdrawalsSDExplainedYes
Sep 17, 2026MortgagesTrouble during payment processPayment processSDExplainedYes
Sep 15, 2026Credit cardsClosing your accountCan't close your accountSDExplainedYes
Sep 1, 2026Bank accountsManaging an accountProblem accessing accountORExplainedYes
Aug 28, 2026Bank accountsManaging an accountProblem using a debit or ATM cardCOExplainedYes
Aug 21, 2026Bank accountsManaging an accountFee problemIAExplainedYes
Aug 1, 2026Payday & personal loansProblem when making paymentsMTExplainedYes
Jul 16, 2026Credit cardsClosing your accountCan't close your accountAZExplainedYes
Jul 11, 2026Credit cardsProblem with a purchase shown on your statementCredit card company isn't resolving a dispute about a purchase on your statementMTExplainedYes
Jun 29, 2026Bank accountsManaging an accountDeposits and withdrawalsORExplainedYes
Jun 3, 2026Bank accountsProblem with a lender or other company charging your accountTransaction was not authorizedSDExplainedYes
May 19, 2026Bank accountsOpening an accountConfusing or missing disclosuresWAMoney backYes

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?
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.

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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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