Note that most stores and merchants do not require you to register your American Express® Simon Giftcard® before making an on-line purchase. Should you have any difficulty using your American Express® Simon Giftcard® on-line and need to register the card, please call 800-331-5479. American Express Giftcards may only be registered via phone by calling 1-800-331-5479.
Registering a giftcard requires that a phone number be associated to your account.
To update your phone number, add the number in the boxes below and click "UPDATE".