How Do I Change Bank Details In My Coinbase Account?[Offical Toll Free Number] - posted in Ask An Andrologist: To talk to a person at Coinbase, dial their customer support phone number: +1(833)-224–9242 [Talk to Human] or +1(833)-224–9242. Use the automated system to navigate through the options, and if necessary, request to speak to a live representative by saying “Agent” or pressing ‘0’ during the call.