Inquiry about My Number System
- Last Updated:
My Number toll-free service
📞 0120 95 0178 (toll free)
- Follow the voice guidance and select the menu for the information you want to hear.
- No. 1: My Number Card / electronic certificate / Individual Number Notification / Notification Card / Certificate Issuance Service at Convenience Stores, etc.
- Number 2: Loss and theft of smartphones equipped with My Number Card and electronic certificate
- No. 3: My Number System and corporation number
- No. 4: Mynaportal, Maina App, My Number Card on Smartphone
- *Currently, it is very difficult to get through on the phone.
- General information about the Myna app:
- How to register to use My Number App:
- No. 5: use of My Number Card as a Health Insurance Certificate
- No. 6: public money receiving account Registry System / Account Numbering System
- No. 7: Myna driver's license
- No. 8: The family register furigana
Business Hours
- Weekdays 9:30 to 20:00
- Saturdays, Sundays, and public holidays: 9:30 to 17:30 (except for the New Year period (December 29 to January 3))
- * For No. 1, it is from 9:30 to 20:00 on weekdays including the year-end and New Year holidays, as well as on weekends and holidays.
- ※ Number 2 "Lost or stolen My Number Card" card temporary suspension will be dealt with 24 hours a day, 365 days a year.
- ※ No. 3 to No. 6 are closed during the New Year holidays.
When the above dial is not connected
If you cannot reach the number above for some IP phone calls, etc., please dial the number below.
- My Number System, Mynaportal
- 📞 050 3816 9405 (calls will be 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 will be charged)
Telephone relay service Information
For those who have difficulty in hearing or speaking, please use the telephone relay service.
Telephone relay service is a service that allows people who have difficulty in hearing or speaking (hereinafter referred to as "hearing-impaired people, etc.") to use the phone. An interpreter operator intervenes between them and interprets signs and characters.
For details, please see telephone relay service Program (Ministry of Internal Affairs and Communications) .
Persons with hearing disabilities, etc. who wish to use telephone relay service should contact the telephone relay service provider organization (Nippon Foundation telephone relay service).
For details, please see telephone relay service (Nippon Foundation telephone relay service) .
Those who wish to be supported in a foreign language
If you wish to speak in a foreign language, please call the following number.
- My Number System, Mynaportal and public money receiving account Land Registration Systems
- Available languages: English, Chinese, Korean, Spanish, Portuguese, Vietnamese, Thai, Indonesian, Tagalog, Nepali
- Hours:
- Weekdays 9:30 to 20:00
- Saturdays, Sundays and public holidays: 9:30 a.m. to 5:30 p.m. (excluding the year-end and 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
- Language support: English, Chinese, Korean, Spanish, Portuguese
- Hours: 8:30 am to 8:00 pm * Temporary suspension is available 24 hours a day.
- Available languages: Thai, Nepali, Indonesian, Vietnamese, Tagalog
- Hours: 9:00 a.m. to 6:00 p.m.
- 📞 0120 0178 27 (toll free number)
- Language support: English, Chinese, Korean, Spanish, Portuguese
Inquiry about Corporate Number
For corporate numbers, please contact the National Tax Agency Corporate Number Management Office.