www.bmo.com/activate (START HERE to activate BMO Card)

Activate a BMO Mastercard online (BMO card number required)

>>>Activate Now<<<


  • Must be 18 years of age or older and a legal resident of the United States in order to activate
  • The BMO Mastercard required a good to great credit score
  • Any questions about the activation process can be directed to the toll free number on the back of the card
  • BMO offers three different types of credit cards (BMO Harris Bank Platinum Rewards Mastercard, BMO Harris Bank Premium Rewards Mastercard, BMO Harris Bank Cash Back Mastercard)

BMO Mastercard Customer Service

During normal business hours please walk in or call the nearest BMO Bank of Montreal branch.

Customers who need assistance after hours, should dial 1-877-CALL-BMO or 1-800-361-3361 for BMO Mastercard services.

If the customers does not activate the Bank of Montreal Mastercard credit card within in a certain amount of time the card will become void.

bmo activate

Bank of Montreal Email List

  • English feedback@bmo.com
  • French remarque@bmo.com
  • BMO Mastercard: bmomastercard@bmo.com
  • GICs & Term Investments: feedback@bmo.com BMO
  • Mutual Funds: mutualfunds@bmo.com
  • BMO InvestorLine: info@bmoinvestorline.com
  • BMO Nesbitt Burns: contact@bmonb.com
  • Business Banking: feedback@bmo.com
  • Online Fraud Reporting: online.fraud@bmo.com
  • Chief Privacy Officer: privacy.matters@bmo.com

Similar Credit Card Offers

Those who are trying to decide between the Chase Freedom and AMEX Magnet credit card should check out American Express vs Chase Freedom.

BMO Credit Cards

BMO Harris Bank Platinum Rewards Mastercard (no annual fee): 20,000 bonus points (2X our standard 10,000) when you spend $2,000 in the first 3 months of account opening.

BMO Harris Bank Premium Rewards Mastercard ($79 annual fee): 30,000 bonus points (2X our standard 15,000) when you spend $5,000 in the first 3 months of account opening.

BMO Harris Bank Cash Back Mastercard (no annual fee): $100 cash back bonus when you spend $1,000 in the first 3 months of account opening.

In our opinion the best credit cards offered by BMO is the Cash back Mastercard.


  1. www.bmo.com/activate
  2. ww.bmo.com/home/popups/global/contact

Leave a Comment

%d bloggers like this: