How do I access the 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. How do I speak to a representative at ?QuickBooks? To directly speak to a representative at QuickBooks, dial the toll-free number ?1-855-200-0590.. This number will help you directly speak with a live representative.