Items to prepare for MNP (Mobile phone Number Portability)

MNP (Mobile phone Number Portability)

You can change from another Japanese mobile provider to au while keeping the same phone number.

  • 1

    Apply for an MNP reservation by contacting one of the following or visiting an eligible store of your current mobile provider to receive an "MNP reservation number."

Mobile provider

Contact information
●Based on information provided in websites of other companies as of May 2015.

Business hours
NTT docomo
(including Disney Mobile)
PC website My docomo → ログイン (Log in) 24 hours
●Excluding mainte-nance downtime
Telephone
(toll free)
From a mobile phone: 151 From a fixed phone: 0120-800-000 9:00 - 20:00
SoftBank Yahoo! Keitai
ver
TOP → My Softbank → 各種変更手続き (Procedures for various changes) → MNP 予約 関連手続き (Procedures concerning MNP reservations) 9:00 - 21:30
Telephone
(toll free)
From a mobile phone: 5533 From a fixed phone: 0800-100-5533 9:00 - 20:00
Disney Mobile Disney Web TOP → 設定・申込 (Settings/applications) → 各種変更手続き (Procedure for various changes) → MNP 予約関連手続き (Procedures concerning MNP reservations) 9:00 - 21:30
Telephone
(toll free)
From a mobile phone: 116 From a fixed phone: 0120-921-156 9:00 - 20:00
Y!mobile
(PHS, smartphone)
Telephone
(toll free)
[PHS] TOP → 料金・各種申込 (Price/applications) → MNP 予約 (MNP reservations) MNP 予約申込 (Apply for MNP reservations) [Smartphone, PC] TOP → My Y!mobile (Log in) → 契約内容の確認・変更 (Check and change contract details) → 携帯電話番号ポー タビリティ(MNP)予約関連手続き(Procedures concerning MNP reservations) 9:00 - 21:30
Telephone
(toll free)
From a mobile phone: 116 From a fixed phone: 0120-921-156 9:00 - 20:00
Y!mobile
(Former EMOBILE)
My Y!mobile [Mobile phone site] TOP → 料金・各種申込 (Price/applications) → MNP 予約 (MNP reservations) → MNP 予約申込 (Apply for MNP reservations) [Smartphone] TOP → My Y!mobile (Log in) → オンラインサポート (Online support) → MNP 予約 (MNP reservations) [PC site] TOP → My Y!mobile (Log in) → MNP 予約 (MNP reservations) → MNP 予約を申し込 む (Apply for MNP reservations) 9:00 - 21:30
Telephone
(toll free)
From a mobile phone: 151 From a fixed phone: 0570-039-151 9:00 - 20:00
  • 2

    Bring your "MNP reservation number" to an au shop, and conclude a new contract within 15 days.
    The following items will be required.

  • 1

    MNP reservation number

  • 2

    Your name seal
    You can also conclude the contract with your signature.

  • 3

    Identification documents

    Foreign passportResident card

    Health insurance cardCredit card

    Minors (junior high school students or older)

    The identification
    documents at left

    Parental
    consent form

    Identification documents
    for the parent / guardian

    • The Parental Consent Form is only valid if signed and sealed by a parent/guardian.
    • if a subscriber is a minor (elementary school student or younger), his/her contract will be under his/her parent's name.
    • Criteria for all forms of identification are the same as those for the corresponding documentation on the table above.
  • 4

    The applicant must also present a cash card, bank book, or credit card issued in the applicant's own name.
    If the applicant is a minor and does not own a credit card, please prepare a cash card issued in the parent’s/guardian’s name.

  • 5

    Items required for determination of monthly usage charge payment method

    If you pay by credit card.........
    credit card

    • Some credit cards may not be valid. Please check here
      for eligible credit cards. (Japanese only)

    If you pay by bank transfer........
    Cash card or account book + the name seal submitted to the financial institution such as bank and post office

    • At some shops, you may not be able to complete the procedure for bank transfer only with your cash card. Further, cash cards from corporate accounts and cash cards of some financial institutions cannot be used. For eligible financial institutions, please check the au website. To complete the procedure with a cash card only, the account holder will have to enter the PIN code.

    When paying at bank counters, additional ¥150/month will be charged (including paper billing processing fee of ¥50/month).

  • 6

    Initial cost

    Subscription processing fee : ¥3,000 (This fee will be added to the first month's bill.)

    au phone price(The amount depends on the phone model etc. and can be paid in installments.)

    • au may require a deposit (Amount set by us which is ¥100,000 or less per contract / no interest / tax-exempt). In this case, installment payments cannot be used to purchase an au mobile phone.

Download Foreign-language Versions of Parental Consent Forms

Download Power of Attorney form

How to unlock a SIM card

Procedures and other notes on unlocking a SIM card

Store Locator

Inquiries about au mobile services

Inquiries by Phone

Select your language.

Open: 9:00 – 20:00 *1

*1 Support for theft and loss of au mobile phones is available 24 hours a day.

Inquiries by E-mail

Make an inquiry by mail.

  • By phoneOpen 9:00 – 20:00

    • English

      0120-959-472(Toll Free)

    • Portuguese

      0120-959-473(Toll Free)

    • Chinese

      0120-959-476(Toll Free)

    • Korean

      0120-959-478(Toll Free)

    • Tagalog

      0120-933-952(Toll Free)

    • Vietnamese

      0120-933-961(Toll Free)

    • Japanese

      157(Toll Free)from au phones

      0077-7-111(Toll Free)

  • By e-mailSend e-mail

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