There is no phone number for eBay, it's a Call Back option and if contact CS now there's a good chance of Dublin answering.
This is the easiest and quickest way to contact eBay Customer Services, for a Call Back option.
https://www.ebay.co.uk/help/eua?id=5275&mkevt=1&mkpid
Lines open 8 a.m. - 10 p.m. on weekdays
9 a.m. - 6 p.m. on weekends.
Automated agents will be available on chat outside of the above hours.
I recommend contacting CS first thing in the morning as there's more chance of Dublin answering.
You could of course come back to us explain the issue you are having many very experienced members here happy to help you, there truly is little reason to contact CS, unless direct access to your account is needed.
@billybob1196