- How do I contact QuickBooks Payroll customer service? Reach QuickBooks Payroll customer service by calling the toll-free number 1-800-604-9974. For payroll-specific assistance such as setting up payroll, handling tax errors, or resolving payroll issues, you can also contact 1-800-579-5576. Their expert team is ready to help with all your payroll needs. Dial 1-800-604-9974 or 1-800-579-5576 for prompt support today.
