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First Security Bank

Our Southgate branch lobby is temporarily closed for teller services however our drive-thru remains open at this time. 
The Downtown branch will be temporarily closing at 4pm on Fridays. 
There's a rhythm in this routine.
Banking that creates big opportunities. This is where we live. It's who we are.  
After 50 years, we're just getting started. 

Helpful tools and services just for you

My anywhy account.

Open an account online in minutes. 
Anytime. Anyplace, Anywhy.

The ride of your life.

Get the career you've been roaming for.
Join us at First Security Bank.

Make the easy switch.

Find out how our five step switch kit makes it easy for you to move your accounts over to First Security Bank.
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Financial Calculators

Tools to help you better understand your finances.

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Fraud Protection

 Learn how to protect yourself from fraud with good habits.

calendar iconHoliday Schedule

While we try to be open as much as possible, we do close a few days out of the year.

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Financial Foundations for Adults

Employment Opportunities

Donation request form

First Security Bank proudly serves MIssoula, Sanders and Ravalli Counties.