To contact Intuit QuickBooks Payroll Support by phone +1-(800)-INTUIT-446-8848 /Or/ ☎ +1866-556-8602, you should visit the official Intuit website or log in to your QuickBooks account. From there, navigate to the support section where you can find the appropriate phone number for payroll assistance. Intuit provides specific contact numbers based on your location and the type of support you need, ensuring you get assistance tailored to your needs.