Skip to main content

This page has been translated using TexTra by NICT. Please note that the translation may not be completely accurate.If you find any mistranslations, we appreciate your feedback on the "Request form for improving the automatic translation ".

Inquiries about My Number System

Last Updated:

My Number general toll-free number

(Toll free number: 0120-95-0178)

  • Follow the voice guidance and select the menu of information you want to hear.
    No. 1: My Number Card, electronic certification, Individual Number Notice, Notification Card, Certification issue Service at Convenience Store, etc.
    Number 2: Lost and stolen smartphones with My Number Card and electronic certification
    No. 3: My Number System / corporation number
    No. 4: Mynaportal and electronic certification for smartphones
    No. 5: Use of My Number Card's health insurance card
    No. 6: public money receiving account Registry System, Deposit Account Numbering System
    No. 7: Minor License

Reception hours

  • 9:30 to 20:00 on weekdays
  • Saturdays, Sundays and National Holidays: 9:30 a.m. to 5:30 p.m. (excluding the year-end and New Year holidays (December 29 to January 3))

* No. 1 is open from 9:30 to 20:00 on weekdays including the year-end and New Year holidays, Saturdays, Sundays and holidays.
* Temporary suspension of card use due to No. 2 "Lost or stolen My Number Card" will be handled 24 hours a day, 365 days a year.
* No. 3 to 6 will be closed during the year-end and New Year holidays.
*If you have difficulty in hearing or speaking, please use the telephone relay service.
Telephone relay service is a service in which an interpreter operator intervenes and interprets sign language and characters so that people who have difficulty hearing or speaking (hereinafter referred to as "hearing-impaired people, etc.") can use the telephone.
For details, please refer to the telephone relay service page on the following Ministry of Internal Affairs and Communications website.
Telephone relay service

If you are a hearing-impaired person who wishes to use the telephone relay service, please contact the telephone relay service provider (Nippon Foundation telephone relay service).
For details, please refer to the following Nippon Foundation telephone relay service information page.
Nippon Foundation telephone relay service

*If some IP phones cannot be connected to the above numbers, dial the following numbers.

  • My Number System, Mynaportal
    (050) (3816) (9405) (call charges apply)
  • Temporary suspension of use of My Number Card, electronic certification, notification of individual number, notification card or My Number Card due to loss or theft
    (050) (3818) (1250) (call charges apply)

*If you would like to speak in a foreign language, please dial the following number.

  • My Number System, Mynaportal and public money receiving account Registry Systems
    • Available languages: English, Chinese, Korean, Spanish, Portuguese, Vietnamese, Thai, Indonesian, Tagalog, Nepali
    • Hours:
      • 9:30 to 20:00 on weekdays
      • Saturdays, Sundays and National Holidays: 9:30 a.m. to 5:30 p.m. (excluding the year-end and New Year holidays)
    • (Toll free number: 0120 0178 26)
  • Temporary suspension of use of My Number Card, electronic certification, notification of individual number, notification card or My Number Card due to loss or theft
    • Available languages: English, Chinese, Korean, Spanish, Portuguese
      • Hours: 8:30 to 20:00
        *Temporary suspension available 24 hours a day
    • Available languages: Thai, Nepali, Indonesian, Vietnamese, Tagalog
      • Hours: 9:00 to 18:00
    • (Toll free number: 0120 0178 27)

Inquiries about Corporate Number

For the corporate number, please contact the National Tax Agency Corporate Number Management Office.