How do I access customer center in QuickBooks? To access customer center in QuickBooks, dial the official toll-free number 1-855-200-0590. This support number will help you easily talk to the live support agents. How do I actually talk to someone in QuickBooks? To actually talk to someone in QuickBooks, dial 1-855-200-0590. Once you contact this toll-free number, follow the automated prompts, and connect with a live QuickBooks representative How do I communicate with QuickBooks? To communicate with QuickBooks experts, call the toll-free number 1-855-200-0590, perform the automated prompts, and get in contact with someone in QuickBooks.