The team at QuickBooks Customer Service is always there to help you in your crisis time whether it's an emergency question or any other business needs. Contact us for help via phone. The team is always there to help you in your crisis time. All you need to do is contact us for help via phone. Reach out by dialing +1 877-948-5867 QuickBooks Customer Service Phone Number. Customer service is a vital part of any company. A business cannot survive without customers and the only way to get them is through good customer service. If you feel that your business needs more customers, then consider hiring a customer service representative.