To contact QuickBooks (Intuit) Premier Support by phone, you can call their customer support number at 855-200-0590. This number is dedicated to providing assistance for QuickBooks Premier users. When calling, be prepared to provide your account information and details about the issue you are facing to help the support team address your concerns efficiently. Additionally, it can be helpful to have any relevant documentation or error messages on hand, as well as access to your QuickBooks software during the call. This will allow the support team to guide you through troubleshooting steps more effectively.