Our Southgate branch is closed due to a staffing shortage. Please use our Dearborn branch across the street during this time. If you need to access your safe deposit box, please call 406-728-3115. If you have Mortgage Loan inquiries, please call 406-329-1958. We apologize for the inconvenience.

Our lobby in Hamilton is temporarily closed. Please call 406-375-6413 to make an appointment.

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Lobby information.

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Holiday Schedule

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