Skip Navigation Download Acrobat Reader 5.0 or higher to view PDF files.

First Security Bank

Due to the recent rise in COVID-19 cases, our lobbies have temporarily closed. Click here to learn more.

Trust? Meet Sherri.

In these vulnerable times, First Security Bank knows how important trust is.

There's nothing remote about our relationship.

Helpful tools and services just for you

A helping hand you can bank on. 

None of us have faced circumstances like today's, but we're here to work through it together.  

Lobby information.

For information about the locations and procedures in those lobbies, click below.

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.
Swipe to See More

calculator icon

Financial Calculators

Tools to help you better understand your finances.

security lock icon

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.
Swipe to See More
playing guitar

Debit Card Guard: Fraud Protection

Financial Foundations for Adults

Employment Opportunities

Donation request form


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