What does TCP/IP mean? TCP/IP stands for Transmission Control Protocol/Internet Protocol, which is a set of networking protocols that allows two or more computers to communicate. The Defense Data Network, part of the Department of Defense, developed TCP/IP, and it has been widely adopted as a networking standard. For more information, you may consult several TCP/IP-related FAQs at the FAQ.org website.
The customer support phone number of Suntrust Ach Department is 800.752.2515 / 800.382.3232 (Click phone number to call).
SunTrust Automated Telephone Banking allows you to stop payments, transfer funds, order checks, or apply for a loan 24 hours a day, 7 days a week. Call 800.786.8787. Call Us >>. If you have questions or need to report a lost or stolen card, call a SunTrust representative at 800.SUNTRUST (800.786.8787). You can even contact us from outside the U.S. or Canada by using our international calling instructions. Or, use our telephone directory to find numbers dedicated to specific services. TDD >>.