menu

  • 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
      about au mobile services

      157(Toll Free)from au phones

      0077-7-111(Toll Free)

      about Internet services
      Contract / Fee / Billing

      0077-7084(Toll Free)

      Connection setting / failure

      0077-777(Toll Free)

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Support

au customer support information, one of the reasons that au is the carrier with the highest customer satisfaction rate in Japan

FAQ

Please review the FAQs before contacting Customer Center.

What do I need to start a new contract?
How to read "WEB de 請求書" (Web de Invoice)
I brought a mobile phone from a foreign country. Can I use it in Japan?
How do I make my au device SIM free?

Support Movies

Our Movies

Looking for more?

Required items for a contract
Check your current contract
How to read "WEB de 請求書" (Web de Invoice)
Contact information
User manuals by product

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 Chat

【Inquire from Web】

  • chat through Web browser

【Inquire from Application】

[Supported Languages] 

English, Chinese, Portuguese, Vietnamese, Japanese

Open:10:00 – 19:00 *2

* Not available if there is no icon showing.

* Please be informed that you may be forwarded to the corresponding department depending on your inquiry.

More information about Chat

*2 Inquiries after business hours will be addressed on the following day.

How to login with au ID (smartphone)
Forgot password?

Inquiries by visiting our store

Use the Store Locator to find a store with multiple language support.

Store Locator

Customer support information for internet use

Information on Maintenance and Obstructions

"au one net" Self Page will be shut down every Wednesday between 2:00 am and 10:00 am due to regular maintenance. Thank you for your cooperation. For further details, call the Customer Service Center.

Information on Maintenance and Obstructions (in Japanese Only)

"au one net" Support Desk

Check here to see details of your contract and learn how to make changes.This site also provides instructions for configuring in-home equipment. PCs or other devices.

"au one net" Support Desk (in Japanese Only)

Inquiries about Internet services

Inquiries by Phone

Select your language.

Open: From 9:00 to 18:00

Inquiries by visiting our store

Inquiries by visiting our store

Find an au Style / au shop providing foreign language service.

For details
  • All of the indicated amounts include tax unless otherwise specified.
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