To contact QuickBooks Payroll Support, call either of the following toll-free numbers: 855-200-0565 or 855-200-0590. These numbers will connect you to their customer service team, ready to assist with any payroll-related questions or issues you may have. For efficient service, have your QuickBooks account information handy when you call. Alternatively, you can visit their official website for more support options, including live chat and email assistance.