Complaints regarding KDDI's handling of personal information (usage, provision, disclosure, amendments, etc.) can be made by the following means:
By phone
KDDI Corporation Personal Information Disclosure Consultation Office
0120-925-620 (Every day except Saturdays, Sundays, and Japanese national holidays.)
By letter (postal mail)
KDDI Corporation Customer Service Headquarters
attn: Personal Information Disclosure Consultation Office
GARDEN AIR TOWER, 3-10-10, Iidabashi, Chiyoda-ku, Tokyo 102-8790 Japan
In person
We ask for your understanding that complaints cannot be directly received from a person who visits one of our offices directly.
