If you've got SunTrust customer service questions, you're in the right place. or at your office when you bank online with the security you expect from SunTrust. This search field is for the entire Online Banking Site. search. Clear. Sign On . Business Customer Service hour US-based Customer Service. Services provided by the following affiliates of SunTrust Banks, Inc.: Banking products and services are provided by SunTrust Bank, Member FDIC. Trust and. Do not send currency via U. Then, toggo club spiele click "Save. How do I dispute a charge? What is a Switch Kit? Sign On Open Suntrust Sign On Menu Open Suntrust My Settings Menu my settings User Menu Default State - Not Signed In Close User Menu.