- Charges and Discounts
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- au --> My Home Discount
- au Collective Talk
- au Combined Line
- Call Designation Discount
- Call Designation Flat Rate
- Double-Teigaku
- Double-Teigaku-Light
- Double-Teigaku-Super Light
- Everybody Discount
- Family Discount
- Family Discount + Everybody Discount
- Car Navi Fee Option Service
- Full Support course rate plans
- GUN-GUN Mail
- INDEFINITE-PERIOD CARRY OVER
- One-year Discounted Subscription
- Packet Discount
- Simple course rate plans
- Smile-heart Discount
- Student Discount
- Talk & Discount
- Wide Support
KDDI Comprehensive Site Map
Information on individual customer services and corporate customer services other than those relating to au mobile phones, and corporate information can be found on the KDDI Comprehensive Site Map.
- Comprehensive Site Map
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For customers searching by major category on the KDDI website
- Personal
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For customers searching for individual customer services such as "au HIKARI" and "Metal-plus phone"
- Business
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For customers searching for corporate customer services such as "Business au !" and "ICT solutions"
- Corporate Information
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For customers searching for corporate information such as "News releases" and "Investor relations"
