How Can I talk to someone on the phone?

[trefl28]

Please where is the number to call customer support 

[wooden_flower]

You can't call, but you can request a call.

To contact customer service, follow the instructions on this page to work through the automated assistant to request a call back - select agent when it is an option -
https://community.ebay.com/t5/Selling/How-do-I-contact-Customer-Support/m-p/32016431#M1783851