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First Security Bank

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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.

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.