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First Interstate Bank Online Banking Login

First Interstate bank is a community banking organization based in the state of Montana. They have over 80 banking locations throughout Montana, Wyoming and South Dakota. They offer personal and business banking services and wealth management, along with online and mobile banking services.

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First Interstate Bank now offers online banking services that will make its customers’ lives a million times easier. Forget about heading to your nearest bank to pay your bills and handle your finances at any place and time via your laptop or cell phone. If you want to enroll, sign in or reset your password for your online banking account, this guide will help you every step of the way.


To log on to your online bank account, turn on your PC and follow these steps:

Step 1- Go to your browser and type (or click this link).

Step 2- Click the Login tab at the right upper side of the page. In the drop down box, select Personal/ Small Business Online Banking and enter your Access ID. Click Sign In.First Interstate Bank login

Once you enter your user ID, you will me directed to a One-Time security code to verify your identity. You can select to send the code to your phone via text message or a call. After you have entered the correct code, you will be prompted to enter your password to log in to your online bank account.


To renew your password, just go to the same Login section in the main page and follow these steps:

Step 1- In the section where you enter your Access ID, click the button that reads Forgot?First Interstate Bank resetk

Step 2- Enter the requested information to verify your identity, including your Access ID, the last four digits of your Tax ID Number and your email address.First Interstate Bank reset 2

If your credentials are correct, you will receive a temporary password sent via e-mail. Follow any additional instructions provided in the e-mail to change the password to your liking.


Signing up for online banking is as quick an easy as logging in. Go to the bank’s main page and follow these steps:

Step 1- In the same login section, clink the button that reads EnrollFirst Interstate Bank enroll

Step 2- Enter the required information to sign up for online banking, including your preferred email address, your bank account number, type of bank account and a temporary password.First Interstate Bank enroll 2

Follow any additional steps provided by the enrollment process, including selecting your access ID and permanent password.


First Interstate’s online banking service provides a safe and secure way for customers to manage their finances with no additional cost. This time saving service provides the following features:

  • Online Bill Pay
  • Set due date reminders
  • Send payments to individuals or companies
  • Add payees
  • Accept electronic bills

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Holiday Schedule for 2020 & 2021

These are the federal holidays of which the Federal Reserve Bank is closed.
First Interstate Bank and other financial institutes are closed on the same holidays.

Holiday 2020 2021
New Year's Day January 1 January 1
Martin Luther King Day January 20 January 18
Presidents Day February 17 February 15
Memorial Day May 25 May 31
Independence Day July 4 July 4
Labor Day September 7 September 6
Columbus Day October 12 October 11
Veterans Day November 11 November 11
Thanksgiving Day November 26 November 25
Christmas Day December 25 December 25

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