Our branches will be closed Monday January 18th in observance of Martin Luther King Jr. Day. We apologize for any inconvenience look forward to serving you on Tuesday during normal business hours.

Stimulus Payments: Please visit our Stimulus Payments page for information regarding the Economic Impact Payments.

My anywhy account.

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How it works

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.

Learn more.

Lobby information.

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

Find out more.

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.

Get the kit.

Financial Calculators

Tools to help you better understand your finances.

Calculator options.

Fraud Protection

Learn how to protect yourself from fraud with good habits.

Find out tips.

Holiday Schedule

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

Holiday hours.

Debit Card Guard: Fraud Protection

Financial Foundations for Adults

Employment Opportunities

Donation request form

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