How do I contact QuickBooks Desktop {INTUIT} support number by phone?[QB Desktop Support Number] ((How do I actually talk to someone)) in “”QuickBooks Desktop support”” by PHONE? How do I reach Intuit QuickBooks Desktop Support Customer Service Number? You can reach the Intuit QuickBooks Desktop Customer Service Number by calling (888–850–3930) and (888)-8INTUIT. The customer service team can assist with any QuickBooks software inquiries or issues. How do I contact QuickBooks Desktop Support? To contact QuickBooks Desktop Support, call (888–850–3930) and (888)-8INTUIT. The support team can help with technical issues, troubleshooting, or general guidance for QuickBooks.