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"American Express 1-800 Phone Number. Customer Service &amp; Contact: 1 800 American Express Phone Numbers. What is the 1-800 phone number for American Express? Speak to a live person/real human in customer support in seconds. We have compiled a list of working Toll Free 1-800 customer support phone numbers for American Express card holders. Customer Service: 1-800-528-4800 When calling the Customer Support number, you will hear the following automated respons. Take note of the options, especially which key to press in order to speak to a live person (if available). Please say or enter you 15 digit account number. You"
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