Michael Battle, WalletHub Credit Card Analyst
@mikebattle
You can reach American Express credit card customer service through the "Chat" function in your online account, or by calling (800) 383-4800. The phone line is available 24/7 and serves existing cardholders. To activate the online chat function and reach an Amex customer service representative, simply log in to your American Express account and click the blue "Chat" box in the bottom right corner. You can also reach American Express credit card customer service by mail.
How to Contact American Express Credit Card Customer Service
- Online: Log in to your online account and click the blue "Chat" box in the bottom right corner to get connected with a customer service representative.
- By phone: Cardholders can call the number on the back of their cards or (800) 383-4800 to get help with their existing accounts. The line is open 24/7. If you'd like to inquire about a card or apply for one, simply call (888) 297-1244. The line is open from 6 a.m. to 2 a.m. ET, 7 days a week.
- By mail: Send your general inquiries to the American Express customer service to:
American Express
P.O. Box 981535
El Paso, TX 79998-1535
Keep in mind that you can also manage your American Express credit card by logging in to your online account, where you can view your balance, access statements, make payments and more.

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The correct number is 800-528-4800 for customer service or 602-537-8500 to reach the switchboard to connect to other departments.