Inquiries

Enter

  • A representative will respond to you during weekday business hours (9:00-17:00 JST).
  • Click here for any inquiries about au service. (IPhone, Internet and Billing etc)
  • Click here for information on any recent issues affecting KDDI services (Japanese only).

【About the handling of personal information】

  • KDDI may use required portions of obtained personal information for the purpose of handling inquires.
  • In order to improve customer service, KDDI may request you fill out a customer survey.
Company/Occupation [required]

Example) KDDI CORPORATION

Department [required]

Example) System Planning Dept., General Affairs Dept.

Job title [required]

Example) Manager, Staff

Company URL [required]

Example) www.kddi.com, www.au.kddi.com

Name [required]

Example) Taro Yamada

Mailing Address [required]

Example) 2-3-2, Nishi-shinjuku, Shinjuku-ku, Tokyo

Country [required]

Example) Japan

Postal Code [required]

Example) 163-8003

E-mail Address [required]

Example) yamada@example.com

Phone Number [required]

Example) 813-XXXX-XXXX
"813" means that country code "+81" and long distance code "(0)3".

Subject [required]

Example) Service, Billing

Message [required]

Precautions regarding our privacy policy

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