As of 2015, Groupon customer support can be reached at 888-664-4482. Their hours of operation are Monday through Sunday from 8 a.m. to 7 p.m. Central time. Groupon recommends using their email service, since wait times for phone calls tend to be very high.
To contact Groupon by email, customers can visit the official website and use the customer service page to fill out a form. The form asks for the name and email address of the customer, the business the Groupon deal is for and a phone number at which the business can contact the customer. Customers may also use the live chat service to speak with a representative online.