To contact Coinbase customer service, dial the Coinbase support number 1-(855)-998-0300 for immediate help. This number provides assistance with account issues, transactions, and more. Whether you're dealing with login problems or need technical support, the Coinbase support number is your go-to for quick resolution. Coinbase offers around-the-clock support through their helpline, ensuring you're never left without help, no matter the time. Their team is well-equipped to guide you through any queries. For further issues, the company's official support team is available via chat, email, or phone at 1-(855)-998-0300.