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  • 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】

  • The personal information you provide will be used for the following purposes:
  • (1) Operations related to usage fees, etc.
  • (2) Work related to customer consultation
  • (3) Providing information on current services, new services, and new menus
  • (4) Tasks related to questionnaire surveys
  • (5) Operations related to products, services, events, and campaigns aimed at promoting usage
  • (6) Development of new services, evaluation and improvement of service quality
  • (7) Use for other purposes specified in contract terms and conditions
KDDI's Privacy Policy
Service Categories [required]
Services & Solutions [required]
Inquiry Types [required]
Message [required]
Company/Occupation [required]

Example) KDDI CORPORATION

Department [required]

Example) System Planning Dept., General Affairs Dept.

Name [required]

Example) Taro Yamada

First  Last 
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

Re-enter Email Address [required]
Telephone [required]

Example) 813-XXXX-XXXX

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

Privacy Policy [required]

Precautions regarding our privacy policy

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