Capital One.Com Activate : Capital One Activate Card For Authorized User
Capital One.Com Activate : Capital One Activate Card For Authorized User
Sign up for Capital One Spring (it’s free!) and get pre-negotiated discounts on what you and your employees need most.
How to activate your new card
To activate your new card, you have to be enrolled in online banking. Have your card handy, too. You’ll need to enter the 3-digit security code on the back to activate it.
If you already have a Capital One credit card
You’ll need to link your new credit card account to your existing one. Just follow the directions under Consolidate Your Accounts.
Activate your card as soon as it arrives, and you can start enjoying all it has to offer.
- Sign in to your account—online or on the Capital One Mobile app. (Text “MOBILE” to 80101 for a link to download).
- Choose the account linked to your debit card.
- Look for a button to activate your card next to the debit card delivery tracker online, or below your account balance in the mobile app.
- Select “Activate Your Card” and follow the steps shown. You may be asked to set a PIN to complete the activation process.
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Can I lock my debit card?
Yes, you can—anytime, anywhere.
Locking your debit card will prevent transactions until you unlock it. Keep in mind that this won’t prevent automatic bill payments or other scheduled transfers from occurring.
- Sign in to your account—online or on the Capital One Mobile app. (Text “MOBILE” to 80101 for a link to download).
- Select the account linked to your debit card
On the web: Choose “Account Services and Settings.” 
• Under “Manage Debit Card”, choose “Lock Your Card” and follow the steps. 
On the app: Select “Lock Card” from the “I Want To…” menu.
Contact by Phone
Customer Service:
1-800-CAPITAL (1-800-227-4825) (For servicing of existing accounts only)
Outside the US, call collect:
1-804-934-2001
Online banking support:
1-866-750-0873
Fraud Protection:
1-800-427-9428 or 1-800-239-7054
International collect calls to report a lost or stolen card:
1-804-934-2001
Secured Card Make an initial deposit:
1-800-219-7931
