Possible reasons why a credit card isn’t appearing in your Hilton Honors Dining account include:
- You did not enter all 16 digits of the card in question before clicking "Save."
- You did not click the check box agreeing to the Hilton Honors Dining terms and conditions.
- Your card is one of the few not accepted by Hilton Honors Dining, including Diner’s Club and internationally-issued JBL cards.
- The credit card number was entered incorrectly or is not valid.