What is the phone number for groupon customer service? Their customer service is available at 1-877-788-7858 every Monday to Friday from 9 AM to 5 PM Central time. Additionally, they can be reached at 1-888-375-5777. What is the customer support phone number for Groupon? Groupon customer service phone number for support -> 877-788-7858.What is groupon merchant center? Groupon Merchant Center gives you data-driven insights into who’s buying and why, and lets you see and respond to customer feedback. That’s why we are the #1 platform in providing value-added first-party insights to service-based SMBs.How do i change the shipping address on my groupon order? If you order an item from a third party merchant, contact them directly to change your address. However, if you buy directly from Groupon then you need to contact Groupon customer service. Also, be sure to change your address in the settings of your Groupon account.How do i send a message to groupon? Type your message and include any pertinent details, like your name, the email address you use on Groupon, the issue you’re having, and order number (if applicable). Provide as much information as possible and send your message when you’re finished. As an alternative, you could Tweet a message and tag @GrouponHelpUS.