Serving Montanans since 1919 - Find Us

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Equifax Data Breach Information- Learn More

Cards that Work for You

Credit cards for your personal and business needs!  First Security Bank customers can apply online for a Personal Platinum, Rewards, or Secured card.  Business card applications available at your local branch.

Show Your School Spirit

Choose a school logo debit card and we will donate $5 to that school!  Designs for public high schools in Bozeman, Belgrade, Fort Benton,  West Yellowstone, Three Forks, Big Sky, Fairfield, and Choteau are available.

Fraud Defender

ID Theft Protection with credit monitoring services, resolution assistance, and expense reimbursement.  Choose the monthly package that's right for you.

Montana Home Loans - Apply Now

Success can mean a new home for your family, and we’re here to help with an easy online application process.
Check Rates and Apply »

Business Solutions

Whether a commercial loan or real estate, or agriculture loan, First Security Bank's lending expertise and local loan decisions create a tailored solution for your business needs.

Home Loans - Apply Online

Laying the groundwork for your new home is what we do.  Whether home mortgage, building lot purchase, or construction loan, we have a program to help.  Refinancing and home equity loan solutions, too.

Mobile Banking

Deposit checks, pay bills, transfer it all wherever your adventures take you. Visit Online Services or contact an Account Specialist for more information.