The customer service experts are available 24/7, so there is no need to wait and then ask for a call back. Thus, If your company has gone through a few sessions of errors, then it's time to dial the number. However, users of QuickBooks may experience errors and issues on the software. For instance, users may experience an error code such as Q4234 in the process of using QuickBooks desktop. By dialing Quickbooks Customer Service +1 866-447-5478 WY. Users of QuickBooks can get answers to questions from support staff from Intuit.