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).
Additionally, we may offer a bonus or promotional rate on specific accounts or to specific customers and these offers will not apply to all accounts, customers, local areas or methods of account opening. You may obtain the current interest rate and APY on your account by calling 1-800-SunTrust or 1-800-786-8787.