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Inquiry about My Number System

Last Updated:

My Number general toll-free number

📞 0120-95-0178 (toll free)

  • Follow the voice guidance and select the menu of information you want to hear.
    • 1: My Number Card / electronic certificate / Individual Number Notification / Notification Card / Certificate Issuance Service at Convenience Stores, etc.
    • Number 2: Loss or theft of smartphones with My Number Card and electronic certificate
    • 3: My Number System / Company Number
    • No. 4: Mynaportal and My Number Card on Smartphone
    • No. 5: use of My Number Card as a Health Insurance Certificate
    • Number 6: public money receiving account Registry and Account Numbering
    • No. 7: Myna driver's license
    • No. 8: Family Register Furigana

Opening Hours

  • Weekdays 9:30 to 20:00
  • From 9:30 to 17:30 on Saturdays, Sundays and public holidays (excluding the year-end and New Year holidays (December 29 to January 3))
    • * Number 1 is from 9:30 to 20:00 on weekdays including the year-end and New Year holidays and on Saturdays, Sundays and holidays.
    • * Number 2: Temporary card suspension due to "loss or theft of a My Number Card" is handled 24 hours a day, 365 days a year.
    • * No. 3 to 6 are closed during the year-end and New Year holidays.

When the above dial is not connected

If you cannot reach the number above on some IP phones, etc., please dial the number below.

  • My Number System, Mynaportal
    • 📞 050-3816-9405 (Calls charged)
  • My Number Card / electronic certificate / Individual Number Notification / Notification Card or Temporary Suspension of My Number Card due to Loss or Theft
    • 📞 050-3818-1250 (Calls charged)

Telephone relay service Information

For those who have difficulty in hearing or speaking, please use the telephone relay service.
The 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 "Deaf and Hard-of-Hearing Persons") can use the phone.
For details, please refer to telephone relay service Scheme (Ministry of Internal Affairs and Communications) .

If you are deaf or hard of hearing and wish to use the telephone relay service, please contact the telephone relay service provider (Nippon Foundation telephone relay service).
For details, please refer to telephone relay service (Nippon Foundation telephone relay service) .

For assistance in foreign languages

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

  • My Number System, Mynaportal and public money receiving account Registry Systems
    • Supported languages: English, Chinese, Korean, Spanish, Portuguese, Vietnamese, Thai, Indonesian, Tagalog, Nepali
    • Reception hours:
      • Weekdays 9:30 to 20:00
      • Saturdays, Sundays and public holidays: 9:30 a.m. to 5:30 p.m. (except New Year holidays)
    • 📞 0120-0178-26 (toll free)
  • My Number Card / electronic certificate / Individual Number Notification / Notification Card or Temporary Suspension of My Number Card due to Loss or Theft
    • Supported languages: English, Chinese, Korean, Spanish, Portuguese
      • Reception hours: 8:30 to 20:00 * Temporary suspension is available 24 hours a day.
    • Available languages: Thai, Nepali, Indonesian, Vietnamese, Tagalog
      • Reception hours: 9:00 to 18:00
    • 📞 0120-0178-27 (toll free)

Inquiries about Corporate Number

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