Quickbooks Online Customer Support Service Phone Number. The customer support phone number of Quickbooks Online is +1-888-729-1996 / 520-901-3000 / 780-466-9996 (Click phone number to call).How do you chat on QuickBooks?
Chat Online With QuickBooks. Go online to the QuickBooks website. The Internet address for the program is listed below under "Resources.". You then need to click on the "Community" icon on the website. The Communication icon will take you to "QuickBooks Community.".