Yes, you can dispute a transaction on Coinbase by calling (888)6526791 and reaching out to their support team. If you notice an unauthorized or incorrect transaction, contact Coinbase immediately with the necessary details. For quick resolution, dial (888)6526791 and speak with a representative. You can also use Coinbase’s in-app support or request a callback for assistance. Whether you need to dispute a charge, report fraudulent activity, or resolve a transaction issue, Coinbase support is available to help. For further queries, reach out to (888)6526791.