What to do if your personal information is revealed

First, please contact CitiPhone Banking to block your account immediately.
Also, it would be a sensible precaution to change your PIN (Card PIN), T-PIN (Telephone PIN) or Citibank Online user ID and password. Please be sure to change your user ID and passwords regularly.

CitiPhone Banking

Lost/stolen cash card notifications and inquiries are available 24 hours a day, 365 days a year.

Within Japan (Telephone charges apply) 045-330-2890
From overseas (Telephone charges apply) 81-45-330-2890

Changing PIN is available from 9:00 to 16:30 on business days.

Changing T-PIN is available 24 hours a day, 365 days a year.

Within Japan (Toll free) 0120-41-0956
Within Japan (Telephone charges apply) 045-330-2888
From overseas (Telephone charges apply) 81-45-330-2888

Citibank Branches

Changing PIN and T-PIN is available from 9:00 to 15:00 on weekdays and at Saturday Banking.

Citibank Online

Please be sure to change your User ID and Password regularly.

  • In order to change User ID and Password for Citibank Online, sign on to Citibank Online, select the "Customer Service" menu, and click "Change ID" or "Change Password" under the "Register, Update your information, and all other".

    Please be sure to change your user ID and password regularly.

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What to do if you have revealed your personal information!
Lost/stolen cash cards notifications and inquiries (Reference and transaction are not available)
In Japan 045-330-2890 (charges apply)
From overseas 81-45-330-2890 (charges apply) 24 hours a day, 365 days a year.
Please contact CitiPhone Banking to change your password.
Automated Voice Guidance Service 0120-110-330
Card PIN change
Service hours:
Weekdays 9:00-16:30
Telephone PIN change
Service hours:
24 hours a day,
365 days a year.
Please note this service is not available at certain times.