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To activate your BMO card, visit bmo.com/activate and sign in to BMO online banking, or call BMO at 1-877-225-5266 (credit cards) or 1-800-363-9992 (debit cards). You can also activate using the BMO mobile app. All three methods are free and available 24 hours a day, 7 days a week.

▶ BMO Card Activate Here

Method 1: Activate Online at bmo.com/activate

This is the fastest and most recommended way to complete BMO card activation.
1

Visit bmo.com/activate

Open your browser and go to https://www.bmo.com/activate. This is the official BMO card activation page.
2

Sign in to BMO online banking

Enter your BMO online banking username and password and click Sign In. If you have not registered for online banking yet, click Register Now and complete the setup before returning to activate.
3

Enter your new card details

Provide your card number, expiry date, and CVV (the 3-digit security code on the back of your card).
4

Click Activate Now

Select Activate Now and wait for the confirmation message. Your card is active immediately.

Method 2: Activate by Phone

Call BMO’s dedicated activation lines to complete BMO card activation over the phone.
1

Call the correct BMO number

For BMO credit card activation, call 1-877-225-5266. For BMO debit card activation, call 1-800-363-9992. Both lines are available 24/7.
2

Choose card activation from the menu

Follow the automated prompts and select the option for card activation.
3

Enter your card and personal details

When prompted, enter your card number, expiry date, and your date of birth or last four digits of your SIN.
4

Confirm activation

Wait for the automated system to confirm that your BMO card activation is complete.
Have your card ready before calling. The automated system requires you to enter the card number and verification details to proceed.

Method 3: Activate via the BMO Mobile App

1

Download the BMO app

Install the BMO Mobile Banking app from the Apple App Store or Google Play Store if you have not already.
2

Sign in

Open the app and sign in with your BMO online banking credentials.
3

Go to My Cards

From the main menu, tap My Cards or navigate to your card account.
4

Tap Activate

Find your new card listed and tap Activate Card. Follow the on-screen steps to complete BMO card activation.
The BMO app is the most convenient option if you are away from a computer. It works for both BMO credit card activation and BMO debit card activation.