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Top pageOrganizationAdministration, information management section>Social security, tax number system (my number system)

My number system 
Application for my number card method is thisReceipt reservation of my number card is this

 Call center of system is this

※ Yokohama-shi Mai number system call center has 5:00 on the afternoon of Wednesday, December 28, 2016 and,
It was finished. The details, please confirm
"information for call center".

It is this about receipt of returned notice card
(look at the middle section of linked page)

List of use of main my number office work in ward officeWhat's New




☆Please confirm from this about contents about notice card Mai number card and procedure in Yokohama-shi. (to page of Civic Affairs Bureau Counter Service Division)

Please be careful about suspicious calls that talked about my number system!


There was alerting about unjust invitation and the acquisition of personal information that took advantage of number system my than Consumer Affairs Agency.
In addition, there was reporting that there was suspicious call about my number system from citizen's one.
Please be careful about suspicious telephone, email, letter, visits that talked about my number system enough.
Please talk to consultation telephone # 9110 for exclusive use of the police or the nearest police department if you receive suspicious calls. In addition, depending on contents, please use the next consultation counter.

<< if caught in damage including fraud >>
●Police consultation exclusive telephone     #9110
Or to the nearest police department ※#From 8:30 a.m. in principle as for 9110 on weekdays to 5:15 p.m. (is different in each ※ metropolis and districts Police headquarters. Saturdays, Sundays and holidays, overtime supports with duty or answering machine except some prefectural polices of the reception desk system for 24 hours)

<< if we undergo suspicious calls >>
●Consumers hot line    188 (slightly!)
※As we show around consumer service center or consumer life consultation desk of the in principle nearest municipality, time when we can talk is different by consultation counter of house ino area.

<< as for the complaint about the handling of personal information (identification personal information) that my number is included in this >>
●Personal information protection Committee complaint mediation consultation counter 03-6457-9585
※From weekdays 9:30 a.m. to 5:30 p.m.

◇Information for call center

About my number system, please refer to each call center for any questions.

<, after checking phone number, please be careful to run wrong>

 My number synthesis toll free number 

 Contents about my overall number system, business owner correspondence, corporation number

[英語] 0120-95-0178 

※ Hang one that is not connected by some IP telephone to the next phone number.

  Thing about my number system      050-3816-9405
  It is Seki surukoto 050-3818-1250 to notice card, my number card

[foreign language] English, Chinese, Korean, Spanish, Portuguese
 Thing about my number system        0120-0178-26
 It is Seki surukoto 0120-0178-27 to notice card, my number card
<reception hours>
 From weekdays 9:30 a.m. to 8:00 p.m.
 From Saturdays, Sundays and holidays 9:30 a.m. to 5:30 p.m.
 ※ We are absent for the year-end and New Year holidays (12/29 - 1/3).

※ Yokohama-shi Mai number system call center has 5:00 on the afternoon of Wednesday, December 28, 2016 and,
It was finished.

 Please inform the following reference of inquiry about my number system.

   Reference about my number system

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With my number system

We raise effectiveness and transparency of social security, taxation system degree and are fairness, system to realize fair society having high convenience.

・12 columns of numbers (my number) are notified each everybody of from October, 2015.
・The use of my number began in January, 2016.

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When my number system is introduced; ...

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About term about my number system

・Personal number (my number)

It is number of 12 figures assigned to each nation on starting my number system.
We use for administrative procedure established in laws and ordinances in social security, tax, anti-disaster measures from January, 2016.
In addition, mention of my number is necessary for reports of participation of report and employee health insurance of tax.

My number is not changed unless we might be used illegally by leak.

・Notice card

It is paper card sent to address of resident certificate of everybody to tell about my number.
When offer of my number was demanded in administrations, we use.
When we offer my number at windows such as administrations, identity verification documents such as driver's license and passport, Basic Resident Register card is necessary other than the notice card.

・My number card

By card made of plastic listed my number in, we start grant in January, 2016.
The date of birth, full name, sex, address is listed in the surface of card other than photograph of the face, and my number is listed in the back side.
The acquisition is arbitrary. In addition, as a general rule, notice card is necessary for grant.
We can use as identity verification documents, and various services such as e-Tax (e-tax) are going to be able to use my number card.
(it is limited to electronic certificates other than full name, address, my number listed in face of a bill what is recorded to card, and personal information such as income is not recorded.)

As we copy the back side where
my number was listed in except legal case, and it is offence as for collecting my numbers, and keeping, please warn.
(admitted that we copy the card surface as identity verification documents.)

※ About the handling of now Basic Resident Register card you have
When you have Basic Resident Register card, until expiration date written to card, it is available sequentially.
My number card in hope of the acquisition collects Basic Resident Register card you have at the time of issuance.
We cannot own both cards.

 We add page of Civic Affairs Bureau Counter Service Division, and, about contents about notice card and my number card, please see.

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Personal information protective measure

We cannot contribute my number to another person unless we contribute to administrations by procedure of social security, tax, anti-disaster measures.

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 We will tell about other details and latest information in this page or public information yokohama as soon as we are selected.

Related link




  Contents about notification card Mai number card Mai number card general site "question that happen quite often"

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City of Yokohama, General Affairs Bureau work reform room administration, information management section
My number system charge
TEL: 045-671-3321 FAX: 045-664-5917

◆ When you reply by contents of inquiry from other jurisdiction section, please note that you give information to jurisdiction section about contents.

◆ Inquiry by FAX, please use inquiry FAX paper. Downloading is this

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