Capital One Activate

Activate a Capital One Credit Card Online or by Phone

Ready to start taking advantage of your new Capital One credit card? We don’t blame you! Capital One is a trusted and recognized financial institution with over 55 million customers worldwide. Their credit card offerings are some of the best around, and often reward customers with great perks and low interest rates.

Capitol One even carries a series of secured credit cards for students and those who wish to fix their credit.

Fast and Easy Online Activation (US Only)

U.S. customers can use the Capital One activation portal for fastest turnaround. All you will need is your new card and social security number for identification purposes. You will be prompted to enter information from the physical card, so you will need to wait until it arrives to activate.

Activating Your Capital One Card Over the Phone


Currently, Capital One’s Canadian customers will need to activate over the phone. This won’t be a problem, as phone activation is very quick and easy. Begin by dialing the toll free number at 1 (800) 655-5646, then simply follow the instructions provided. The activation system is automated, but you can also reach live customer service from within the menus.

United States

Phone activation is still provided as an option for US customers. To activate via phone, simply dial the toll-free number: 1 (800) 678-7820.

Quick & Easy Activation Instructions

Capital One Online Card Activation: (U.S. Only)

Canadian customers must dial the number below and follow the automated process.

Call Capital One Card Activation Assistance:

  • 1 (800) 655-5646 (Canada)
  • 1 (800) 678-7820 (United States)

Tips for New Credit Card Users:

  • To decrease the likelihood of identity theft, sign the back of your card before using it.
  • Be sure to read your cardholder agreement carefully.

Get the most out of your new card! Familiarize yourself with all of the card’s benefits and use them; sometimes perks like car rental insurance or roadside assistance are buried in the fine print of the cardholder agreement.

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