Attention customers: Online Banking will be inquiry only Friday, March 12, 2021. On Monday, March 15, 2021, please visit for all banking needs. For further assistant please call 1-833-937-7282


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Reporting a lost or stolen debit card is simple. You can call the bank during business hours at 731-692-3761 or you can call 1-800-383-8000 for assistance after business hours.

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Important Information:

On March 12, 2021, we will begin the process of merging computer systems between Security Bank and Trust Company and the former Farmers & Merchants bank locations in Dyer, Trenton, and Humboldt.
Effective Monday, March 15, 2021, you will no longer access your online banking from You will be rerouted to Username will be the same as it is currently. Your initial password will be the last four digits of the “login owner’s” social security number. Once logged in, you will be required to change your password. Once you have setup online banking, you may download the SB&T mobile app. For further assistance you may call us at 1-833-937-7282.








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Personalization Settings



The Farmers & Merchants Bank would like to personalize your banking experience. Please enter your first name below..

This level of personalization will not lead to the sale of your name or leak your identity. The information you provide will only be stored on your computer and will not be transferred to the web server.

Please do not remind me again.