Contact KDDI Corporation: Find below customer service details of KDDI & au in Japan, including phone and email. Besides contact details, the page offers information on the company’s products and services. Reach the KDDI customer service below for enquiries, complaints or feedback.
KDDI Head Office
Garden Air Tower, 3-10-10, Iidabashi,
Chiyoda-ku, Tokyo 102-8460, Japan
Phone: +81-3-3347-0077
KDDI Customer Service
Phone: 157 (from au phones)
Phone: 0077-7084 or 0077-7-111
Phone: 0120-959-472 (English)
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About KDDI Corporation
KDDI is a Japanese telecommunications company that began operations in the year 1984. As of March, 2015, the telecom giant had revenue of 4,573,142 million yen and employed close to 28,200 people. Offering fixedline, mobile and internet solutions, KDDI supports customers in 63 cities and 27 countries and operates out of its headquarters at Tokyo, Japan.
The mobile services are handled by the ‘au‘ brand, which was established in 2000. Au operates on 3G, 4G and 4G LTE networks. Users can look for both prepaid and postpaid connections. Prepaid cards or prepaid phones can be ordered on the website or at the retail stores spread out across the country.
As for internet, there is au HIKARI that uses optic fiber and also provides a telephone service. Through the optic fiber, one can also enjoy high quality television simply connecting to the set top box. Whether phone, internet or TV, the optic fiber using IPv6 ensures you have access to a high speed data network. You can connect multiple devices via Speed Wi-Fi Next, Wi-Fi Walker, Nex-fi, Speed USB Stick and other dongle and modem devices.
KDDI also offers plans tailored for specific content such as movies, music and books. There is au Smart Pass for those looking to gain access to a lineup of popular apps and latest content. Then there is Video Pass for those looking for unlimited access to movies, dramas and animations. There is Uta Pass for music lovers, Book Pass for book lovers and Anime Pass for unlimited viewing of anime videos.
For small and large enterprises, KDDI offers a range of services that include cloud apps, data centers, intranet services, dedicated line services, video transmission services, internet services, managed services and satellite communications. If needing more information, visit the website or speak to a KDDI customer service representative.
