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The lobby at our Corvallis branch is close. The drive thru will be open from 8:00am until 5:00pm.

FRAUD ALERT: Customers have reported receiving text messages stating their First Security Bank Debit Card is frozen. This is FRAUD. DO NOT contact the number provided in the text message. If you did contact this number please call the number on the back of your debit card for assistance.

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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.

Financial Foundations for Adults

Employment Opportunities

Donation request form

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