How do I activate my Card?
Whether you're activating a new Card or reactivating one you temporarily deactivated, make sure you have your Card Number handy then follow these simple steps:
- Sign in to capitalone360.com (or the Capital One mobile app) with your Customer Number/Saver ID (Username) and PIN
- Click on the ‘Activate Card’ link underneath your ‘360 Checking’
- Enter the last four digits of your Card number and then click ‘Activate Card’
Then, start using your Card for purchases anywhere MasterCard® is accepted. Just sign the receipt (or enter your Card PIN) and go!
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