I've been trying to add my debit account to my ebay without any luck & can't find a number for ebay. I really need help to set this up

I've been trying to add my debit card to ebay without any luck. Have tried every ebay phone number | Membership & Account

I've been trying to add my debit card to ebay without any luck. Have tried every ebay phone number | Membership & Account | eBay Australia