MasterCard Phone Numbers and Emails Customer care: 1-800-627-8372 (u.s) Customer Service: 00 1 636-722-7111 Credit card support: 1 (800) 424-7787 International: 1-302-255-8888 MasterCard Email: info@mastercard.com How to Contact MasterCard TOLL FREE 1-800 NUMBER Thank you for calling the
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