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).
U.S. Trust Client Service. As a U.S. Trust Service client, you can call to speak with your Relationship Team and receive specialized services, personalized just for you. Please call 800.USTRUST (800.878.7878), 24 hours a day, 7 days a week.