The most efficient way to reach Coinbase support is through the live chat tool at < 1-(833)-208-7930>. For immediate assistance, contact customer support via phone at 1-(833)-208-7930> (USA) or 1-(833)-208-7930> (UK).

https://thelinuxforum.com/step-by-step-guide-to-contacting-coinbase-support-number-easy-solution