To contact QuickBooks Payroll customer service, you can call the dedicated support line at 1-866-703-0747. They are available to assist with payroll setup, tax calculations, paycheck processing, and other payroll-related inquiries. "Read More" https://support.withings.com/hc/en-us/community/posts/31638157625105-Talk-Now-How-Do-I-Contact-Intuit-QuickBooks-Payroll-Customer-Service...