The customer service number for QuickBooks in the U.S. is 1-+1 855-531-1390 or 1-877-205 5578. To speak with a live representative, press 2, then press 2 again when prompted. Support is available Monday through Friday, from 6 AM to 6 PM PST. 📞 Calling QuickBooks Desktop Support at 1-855-531-1390 The quickest medium to contact a live agent is by calling the QuickBooks support phone number: 1-855-531-1390. Our system will guide you through options such as QuickBooks Online, Pa...