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First Interstate is a community bank offering a variety of services including home loans, commercial loans, wealth management, online/mobile banking, and more.
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Products & Services
Retirement Services (Employee Plans) , FirstRewards Loyalty Services , Commercial Loans , Merchant Services , Corporate Online Banking (I-Corp) , Online Banking , Remote Deposit , online/mobile banking , Business Credit Cards , business loans , wealth management , Positive Payee (Account Protection) , Investment Services (LPL) , Credit Card Account Services , Health Savings Online , Employee Retirement Planning , Home Loans , Employee Human Services , Purchase & Refinance , Construction & Renovation , Treasury Solutions
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Frequently asked questions about First Interstate Bank
What days are First Interstate Bank open?
First Interstate Bank is open Monday, Tuesday, Wednesday, Thursday, Friday.

First Interstate Bank
Open Hours
- Monday09:00AM - 05:00PM
- Tuesday09:00AM - 05:00PM
- Wednesday09:00AM - 05:00PM
- Thursday09:00AM - 05:00PM
- Friday09:00AM - 05:00PM
- Sat, SunClosed