What is the telephone number for American Express Platinum Card customer service?

To reach American Express Platinum Card customer service, cardmembers can dial the number located on the back of their Platinum Card. For those in the United States, this is typically a dedicated toll-free line available 24/7 to assist with inquiries and services related to their account. There's also a general customer service number for American Express, which is 1-800-528-4800, and it can be used to request forwarding to Platinum Card support. Providing the best contact information requires that cardholders refer directly to their own cards or secure online accounts, as services are tailored to individual users and may differ by country or specific card agreement.