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American Express

Customer Service Number

Existing cardmember customer service

+1 800-528-4800
USToll-free in the listed region
Source: americanexpress.comSource checked Sep 10, 2026

Wayfinder is an independent directory. The contact details above are published by American Express.

Contact channels

Before getting in touch

The telephone listed for American Express is published for Existing cardmember customer service. Use the secure account area for statements and identity checks.

  • Locate the institution named on your statement.
  • For a card issue, check the number printed on the card.
  • Keep a copy of the case reference.

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