You can contact Coinbase Customer Care through １ー８６６ー(７１９)ー５７１４ several official channels, depending on your issue and urgency. For urgent matters like unauthorized account access or security concerns, you can call Coinbase's official support numbers United States & Canada: １ー８６６ー(７１９)ー５７１４ or １ー８６６ー(７１９)ー５７１４ . you can Contact Coinbase's support １ー８６６ー(７１９)ー５７１４ by Visit the Coinbase Help Center.