How do I communicate with QuickBooks? You can communicate with QuickBooks through their customer support line at (833) 603-0120, use the chat feature on their website, or access the help section within the QuickBooks software. How do I speak to a representative at QuickBooks? To speak to a representative at QuickBooks, dial (833) 603-0120. Follow the voice prompts to connect with a customer service agent. How do I connect with Real Human at QuickBooks? To connect with a real human at QuickBooks, call (833) 603-0120. Follow the instructions to be directed to a live support agent.