Apply for a Mortgage with First Interstate Bank

Mortgage Toolbox

Our Calculators help you budget future home mortgage payment costs, decide whether to rent or own & much more.

Learn which loans you'd like to discuss with your Mortgage Loan Officer.

Our handy Mortgage Checklist lets you know which documents should be gathered in order to receive a loan estimate from First Interstate Bank.

Its hard to know what all these terms mean.

Notification of Error & Requests for Information

Please Note: If you wish to contact us in writing to assert an error or make an information request, you must use the address below.

First Interstate Bank Attn: Compliance Dept.
PO Box 30918
1800 6th Avenue North
Billings, MT 59116

First Intersate Bank Member of FDIC, Equal Housing Lender.

Notification of Error & Requests for Information

Please Note: If you wish to contact us in writing to assert an error or make an information request, you must use the address below.

First Interstate Bank Attn: Compliance Dept.
PO Box 30918
1800 6th Avenue North
Billings, MT 59116

First Intersate Bank Member of FDIC, Equal Housing Lender.