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American Express

Customer Service Number

Toll-freeCompany-published number

Existing cardmember customer service

1-800-528-4800
United States
Call American ExpressAll contact options
Official source Checked Sep 10, 2026

Toll-free in the listed region. Mobile airtime and international charges may apply.

Independent directory. Slow Latitudes lists contacts for American Express. Calls go directly to the number shown.

Contact options

Before getting in touch

American Express lists a telephone for Existing cardmember customer service. Use the provider’s secure account tools for private details.

  • 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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Sources

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