For immediate assistance, dial (888)6526791 to contact Coinbase support. If you have been scammed, you should report the issue to Coinbase’s support team with all transaction details. You can also use the in-app support options or request a callback to connect with a representative. Coinbase will review your case and guide you on the refund process. Additionally, ensure you report the scam to your bank and relevant authorities for further protection. For any queries or further assistance, reach out to (888)6526791.