au HIKARI is a comprehensive broadband service that, on top of the Internet connection, provides a telephone service comparable to NTT-subscribed phones in terms of quality, reliability and functionality, multi-channel TV broadcasts, and a video on-demand service. Using optic fiber, this service draws on KDDI's reliable optic fiber network and advanced content delivery network (CDN).
Please call our Customer Service Center with your inquiries.
Customer Service Center
0077-7084 (toll-free)
From 9:00 to 18:00 (365 days a year)