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What is a One-Time Passcode
A one-time passcode is an added security feature for Online and Mobile Banking. If we detect unusual or suspicious activity at sign on, a unique passcode will be sent to your verified mobile number or email address that, once entered, will grant you access to your account.
To receive text messages from SunTrust, you must first enable Text Banking for your mobile device. For information on how to enroll in Text Banking, go to How do I get started with Text Banking?