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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) , Investment Services (LPL) , Commercial Loans , Business Credit Cards , FirstRewards Loyalty Services , online/mobile banking , Corporate Online Banking (I-Corp) , business loans , Construction & Renovation , Positive Payee (Account Protection) , Merchant Services , wealth management , Employee Human Services , Home Loans , Purchase & Refinance , Online Banking , Health Savings Online , Credit Card Account Services , Treasury Solutions , Remote Deposit , Employee Retirement Planning
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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