Now, please click on the “Sign In & Activate” button, if you already have an account with them. If not, then please click on the “Enroll & Activate” button.

If you press on the “Enroll & Activate” button, you have to complete the registration process on this page, including giving your necessary personal details and selecting a username and password.

Once done, you will be redirected to the Login page.

Then, please enter your new username and password to sign in your account

Once signed in, locate and please click on the capitalone.com/activate card button to continue.

Now, on the activation form. Enter the 3-digit CVV code from the back of your Capital One card and click on “activate the card” button to activate your card successfully.

Capital One credit card account number

Taxpayer Identification Number (TIN)

Your Social Security Number (SSN)

A valid email address

3-digit security code from the back of your credit card