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Credit Card Customer Service

 

Call: 800-285-6609
Monday – Friday, 8:00 a.m. – 6:00 p.m. (ET)

 

Call: 866-820-3947
After VACU Hours

 

Credit Card Activation

 

Call: 800-527-7728

 

Lost or Stolen Credit Card

 

Call: 800-449-7728
24 hours a day, 7 days a week

 

Lost or Stolen Mastercard®

 

Call: 800-627-8372
Within the United States
24 hours a day, 7 days a week

 

Call: 00 + 1 + 314-542-7111
Call collect from anywhere globally

 

Call: 800 Mastercard®
Mastercard Assist Services

 

Credit Card Payment Mailing Address

Mastercard®
P.O. Box 71050
Charlotte, NC 28272-1050