We entered into a franchise agreement with First Interstate Bancorp, headquartered in Los Angeles, California, in 1984 to use the "First Interstate" name in Montana and Wyoming.

FDIC-Insured - Backed by the full faith and credit of the U.S. Government

Nov 24, 2025 · At First Interstate, we meet people where they are—helping them get to where they want to be. Explore personal and business banking, loans, and digital tools backed by local service and …

How? By listening. By putting people first. By embracing change. And, by acting with integrity. We want you to focus on what’s important to you. Baking cookies? Running a business? Raising kids? …

View history and keep detailed records of bill payment. Track outstanding transactions and set up recurring payments.

Check balances, view transaction history, transfer funds, deposit checks, pay bills, set push notifications, and more. Download it from your preferred app store today.

An Equal Opportunity Employer (EOE). Member FDIC. Equal Housing Lender ⌂

Search First Interstate Bank locations to set up an account online for a personal checking account, home mortgage or personal loan at your local community bank.

First Interstate Bank Support Call Us 855-342-3400 Representatives are available Monday – Friday, 7:30 a.m. to 7:00 p.m. MT and Saturday, 9:00 a.m. to 2:00 p.m. MT.

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