Question: How do I activate Diners Club Credit Card?

Answer:  Congratulations on getting the Diners Club Credit Card.  Diners Club credit cards are best known for excellent travel and lounge benefits.

After you receive your Diners Club card, call 1-800-2DINERS (1-800-234-6377) to activate the card.  Once you’ve activated your card, you may begin to use it immediately.