MasterCard Assistance Center

Simple steps to connect

Phone number

18006278372

How to call
  • 1
    continue in English
  • 8
    unknown action
  • 2
    加盟店様の場合
  • 3
    金融機関のお客様の場合
  • 4
    サービス情報をお問い合わせの場合
  • 8-1
    Press if you are a MasterCard cardholder.
  • 8-2
    Press if you are a merchant.
  • 8-3
    Press if you are a financial institution customer.
  • 8-4
    Press if you are not currently a MasterCard cardholder and want to inquire about our service information.