Items and Information You May Need to Open an Account
New Clients
- U.S. Social Security number
- A valid form of identification including driver's license, state ID, military ID, tribal ID, or passport
- Previous home address (if you have lived at your current home address less than two years)
- Credit card, debit card, or U.S. checking or savings account to fund your new account(s)
- Email Address
Existing Clients
- U.S. Social Security number
- Any First Interstate deposit account number on which you are a primary signer
- Verification of the existing account balance
- Verification of the last four digits of a day or evening phone number that we have on file
- Previous home address(if you have lived at your current home address less than two years)
- Credit card, debit card, or U.S. checking or savings account to fund your new account(s)
- Email Address