Contact Us

  • Step.1 Enter
  • Step.2 Confirm
  • Step.3 Submit

For inquiries, please choose the inquiry items and fill in the items as followed.



  • KDDI Facebook fan page

Contact Us

+84-(0)24-3826-2001

Office Hours: 9:00~17:00
(Closed Saturday, Sunday, and National Holidays)

Inquiry Form