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    • Financing Options
    • Mortgage Checklist
    • Mortgage Glossary
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Mortgage Toolbox

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Calculators

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

Explore Calculators

Financing Options

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

Compare Loan Types
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Checklist

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

Get the Checklist

Mortgage Glossary

Its hard to know what all these terms mean. 

Review Common Terms
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P rivacy Policy    |    Contact Us    |     About Us    |    Locations

 

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, Attention Loan Operations
P.O. Box 2345 
Sioux Falls, SD 57101

 

First Intersate Bank Member of FDIC, Equal Housing Lender.

P rivacy Policy    |    Contact Us    |     About Us    |    Locations

 

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, Attention Loan Operations
P.O. Box 2345 
Sioux Falls, SD 57101

 

First Intersate Bank Member of FDIC, Equal Housing Lender.