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

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 0120-110-330 (Toll free)
    or 045-330-2880 (Telephone charges apply)
  • From overseas 81-45-330-2880 (Telephone charges apply)

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, please contact us immediately!

Lost/stolen cash cards notifications and inquiries (Reference and transaction are not available)

Within Japan
(Telephone charges apply)

045-330-2890

From overseas
(Telephone charges apply)

81-45-330-2890
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.

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