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Support

Mobile Phones

Inquiries about au mobile communication services

From au Phones

Dial 157 [1] (Toll Free)  Open: 9:00-20:00

  • [1] You will be connected to the Customer Center serving your subscription area.

From General Fixed-Line Phones

0077-7-111 [2] (Toll Free)    Open: 9:00-20:00

  • [2] You will be connected to the Customer Center serving the area where your call originated.
  • *Follow the Voice Guidance and press the appropriate number.
  • *You can choose to be connected to an operator for handling of your inquiry.
  • *Outside of normal business hours, only the interactive voice response system is available for assistance.

Interactive Voice Response Serveice (Japanese only)

For Inquiry via e-mail,click here.
You'll be linked to a bilingual Inquiry Form.

User manual download

Terms of Use

Internet

Information on Maintenance and Obstructions

Information on Maintenance and Obstructions (in Japanese Only)

"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.

"au one net" Support Desk

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

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.

Customer Service Center (in Japanese Only)

  • Customer Service Center

    0077-7084 (toll-free)
    From 9:00 to 20:00 (365 days a year)

  • Others

    0077-777 (toll-free)
    From 9:00 to 20:00 (365 days a year)

For Inquiry via e-mail,click here.