To contact eBay, go to eBay.com and click on the link at the top of the main page that reads Help and Contact. Depending on the issue, you're given the option to contact eBay customer service by phone, email or live chat.
From the customer service Contact Us page, click or search for the topic that best relates to your issue. In the right column you can browse by topic or you can click on popular solutions. Once you locate the necessary topic, instructions are generated to assist you. In most cases, if the solution does not help, you're given the option to open a case and have it reviewed in more detail.