To contact Coinbase by email, log in to your account and navigate to the “Help” section. Submit a support request, and a representative will respond via email. For immediate assistance, call +1-833-326-6631 or 1✦833✦326✦6631[USA]. You can also dial 1-833-326(6631) to speak with a live agent. Coinbase’s support team is available 24/7 to assist with account issues, transaction problems, or general inquiries.