When your new card arrives in the mail, go to http://www.bmoharris.com.
It’s ideal to have your card on hand during activation because you’ll be prompted to enter information from it.
1. To activate the card, please fill out the form at bmo.com/activate.
2. Type your 16-digit Card Number here.
3. Type the card’s expiration date.
4. Type in your card’s three-digit security code.
5. To activate the card, click the Next button.
6. Your card will be immediately activated.
