Reference about my number system

For inquiries about the My Number System, please use the "My Number Comprehensive Toll Free Number" in the country.

Weekdays: From 9:30 a.m. to 8:00 p.m.
Saturday, Sunday and public holidays: From 9:30 am to 5:30 pm (excluding the year-end and New Year holidays)
(Temporary suspension of use of the card due to loss or theft of My Number Card will be handled 24 hours a day, 365 days a year.)

Phone number: 0120-95-0178 (free)

Follow the voice guidance and select the menu of the information you want to hear.

• No. 1: Inquiries about My Number Card, Digital Certificate, Personal Number Notice, Notification Card
• No. 2: Loss or theft of My Number Card
• No. 3: Inquiries regarding the My Number System and Corporate Numbers
• No.4: Inquiries regarding minor portals
• No. 5: Inquiry about the second minor point
• No. 6: Inquiries about the Public Money Receiving Account Registration System

If you cannot connect to the above Phone number via some IP phones, please call the next Phone number. (Paid)
　　　　　Phone number: 050-3818-1250

Thing about my number system, minor portal
Phone number: 0120-0178-26

Temporary suspension of use of personal number notification, notification card, my number card, and my number card due to loss or theft
Phone number: 0120-0178-27

We accept fax inquiries from hearing-impaired people.
When making inquiries, please use a special fax form (outside site).

Fax number: 0120-601-785

Please contact your ward office Family Registry Division.
Contact information for each ward office Family Registry Division

We accept fax inquiries from people with hearing impairments at the Civic Affairs Bureau Service Section.

Fax number: 045-664-5295