For assistance with QuickBooks™® Premier, call ☎️1. 888.750.6203. Support is available around the clock to help with tax calculations, compliance issues, and Premier features.   QuickBooks™® Desktop Support Contact Information   For QuickBooks™® Desktop-related inquiries, contact the support team at ☎️1. 888.750.6203. They offer 24/7 support for payroll setup, processing, and troubleshooting.