Canadian Mastercard Customer Support Numbers: HSBC, Canadian Tire, Mosaik

Here's a list of telephone numbers to call most of the Canadian Mastercard Issuer's Customer Support Numbers.

Call these numbers regarding disputes, lowering your interest rate, cancelling your card and more:

Canadian Tire Mastercard 1-800-459-6415
MBNA Canada Mastercard 1-888-876-6262 
HSBC Mastercard 1-866-406-4722
BMO Mosaik Mastercard 1-800-263-2263
Citi Mastercard 1-800-387-1616
CapitalOne Mastercard 1-800-481-3239

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