MasterCard Global Service
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Almost every day they have a special offer, cancelling the card didn't stop the calls, yes sir you should get credit protection on purchases on a card you've cancelled and if you finally convince your not going to get a service for a card you don't have they call again tommorrow to try. Calling them to get them to stop calling, expect to be transferred constantly, accidentally disconnected often and poor english from the foriegn customer service people. Way to support America Mastercard pay foriegns to harass citizens.
Phone: (800) 307-7309