Verified: February 25, 2026 12:00 am ET
Important Safety Warning: Beware of fake customer service numbers on Google. Only use official US channels.
Level 1: Customer Support (Initial Complaint)
- How to complain: Contact American Express Customer Care via phone at 1-800-528-4800 or through their secure online Customer Service Portal at American Express Customer Service and Help Center | Amex US. You can also send a secure message via your online account.
- Availability: Available 24/7 for phone support. Online portal access is also 24/7.
- Timeline: Expect an initial response or resolution within 5 to 7 business days.
Level 2: Executive Escalation & Corporate Office
- Who to contact: For unresolved issues, send a formal written notice of dispute to the American Express Corporate Headquarters at American Express Company, 200 Vesey Street, New York, NY 10285.
- Timeline: Wait 10 to 15 business days for a response from the Executive Relations team.
Level 3: Federal Regulatory Authority (Government Escalation)
- Authority: CFPB (Consumer Financial Protection Bureau) for financial services.
- Portal/Contact: File a complaint online through the CFPB Complaint Portal at consumerfinance.gov/complaint or call them at 1-855-411-2372.
- Timeline: The CFPB typically takes 15 to 30 calendar days to review and forward your complaint to American Express for a response.
Level 4: Legal Action & Small Claims (Final Step)
- State Attorney General: File a complaint with your local State Attorney General’s Office.
- Small Claims / Arbitration: File a case in Small Claims Court or initiate Binding Arbitration as per your cardholder agreement.
Community Action: Is American Express still ignoring your complaint? Reply below (do not share your SSN/Passwords), and our community will point you to the right legal templates!