My Number System

更新日:2024年10月28日

Multilingual Information on Individual Number (My Number)

Please refer to the following site link for multilingual information about the Individual Number (My Number) system.

Inquiries about the Individual Number (My Number) System

For assistance with inquiries about the Individual Number card (also called My Number card) or other inquiries related to the Individual Number (My Number) System, please call the number below. 24/7 emergency assistance with Individual Number (My Number) card loss or theft is also available.

Toll free call for inquiries about Individual Number (My Number)

Dial: 0120-95-0178
(Please be careful to dial the correct number)

  • Weekdays: 9:30 – 20:00
  • Weekends & National Holidays: 9:30 – 17:30 (closed year-end and New Year holidays)
Follow audio guidance and choose the menu matching your inquiry
Number Menu
#1 For inquiries about the application method of Individual Number (My Number) card, outline of electronic certificate, etc., individual number notice (個人番号通知書 kojin-bango tsuchi-sho), or certificate issuance service at convenience stores
#2 For inquiries about loss or theft of smartphone with an Individual Number (My Number) card and electronic certificate installed
#3 For inquiries about the Individual Number (My Number) system and corporate numbers
#4 For inquiries about the Individual Number portal site (Mynaportal), Pittari Service (online application for the administrative procedure), electronic certificate for smartphone
#5 For inquiries about use of the “My Number” Individual Number Card as health insurance certificate
#6 For inquiries about registering account information to receive public benefits or linking Individual Number (My Number) to deposit accounts

Toll call numbers:

The above toll free dial is not accessible from some IP telephones. Therefore, please use the following toll call numbers:

Toll call numbers
Menu Toll number
To temporarily suspend your Individual Number (My Number) card, due to the loss or theft of your Individual Number (My Number) card, electronic certificate, certificate of individual number, or notification card 050-3818-1250

Multilingual numbers:

Inquiries in any of the five languages (English, Chinese, Korean, Spanish, and Portuguese) are available through the following phone numbers:

Multilingual service phone numbers
Menu Phone Number
For inquiries about the Individual Number (My Number) System and the Individual Number portal site (Mynaportal) 0120-0178-26
To temporarily suspend your Individual Number (My Number) card, due to the loss or theft of your Individual Number (My Number) card, electronic certificate, certificate of individual number, or notification card 0120-0178-27

For inquiries about the above matters ( toll call) 0570-064-738

総務課

〒770-8571 徳島県徳島市幸町2丁目5番地(本館6階)
電話:088-621-5021
ファクス:088-654-2116