How do I contact QuickBooks support by phone? To contact QuickBooks support by phone, dial 1-(833)603-0120. This toll-free number connects you directly to QuickBooks customer support, where representatives can assist you with various QuickBooks products and issues. How do I actually talk to someone in QuickBooks? To speak directly with a QuickBooks representative, call 1-(833)603-0120. Follow the automated prompts to navigate to the appropriate department, such as technical support or billing. Wait on the line to be connected to a live agent.