Lost or stolen credit cards
If your credit card is missing, you should act quickly to keep your account safe. Now you can do it online or on your mobile device in minutes.
If you think you might find your credit card, you can temporarily lock it or reset your PIN. If your card is lost or has been stolen, you can report it to us and we’ll send you a new one.

What do you want to do?
Lost or stolen credit card FAQ
If you think your credit card has been lost, stolen or if you notice unusual activity on your account, notify us as soon as possible. You can quickly and easily report your card as lost or stolen through Online Banking or Mobile Banking. You can also visit your nearest branch to report your missing card.
Reset your PIN without missing a beat by signing in to Online Banking or the mobile app. From there, simply change your PIN and activate it the next time you make an in-store purchase or visit an ATM.
Keep your credit card safe and protect yourself from fraud with a few simple steps:
Never share your PIN with anyone
Sign your card and protect your documents including statements and bills
Don’t let anyone who isn’t an authorized user access your card
Monitor your statements for suspicious or unusual activity
Regularly check your credit score with
CreditView®Only purchase from online merchants that you trust
Set up BMO Alerts to get 24/7 protection
Credit card fraud is the unauthorized use of your credit card to make purchases or access funds, where you have not provided your credit card information by telephone, online or in in person branch.