Yes! Activating your card is quick and easy. Sign into your account using the Credit One Bank Mobile App or at CreditOneBank.com. In the mobile app, look for the card activation prompt on your account dashboard. On the web, go to your account overview and look for the card activation prompt. You can also visit CreditOneBank.com/activate or call the toll-free activation number on the sticker attached to your card. Note: You should activate your card within 14 days after you receive it in the mail.