Why au?

5 satisfying reasons

Experience great mobile service with au,
the popular carrier in Japan.

List of au shops offering service in various languages
Contact Us For more inquiries, please ask our staff.
By phone

Open: 9:00 - 20:00

English 0120-959-472 (Toll Free)
Portuguese 0120-959-473 (Toll Free)
Chinese 0120-959-476 (Toll Free)
Korean 0120-959-478 (Toll Free)
Japanese 157 (Toll Free) from au phones

0077-7-111 (Toll Free)

By e-mail
Click here for inquiry by e-mail.

Recommended Plans and discount services

Using phone and internet

¥4,900/month ~

Unlimited Calling Plan S (Smart phone) + 1GB or higher Flat-rate data service (including LTE NET)

Click here for details

Mainly using internet

LTE Flat” plan allows internet connection for up to 7 GB/month.

¥6,934/month ~

LTE Plan + LTE Flat(including LTE NET)

Click here for details

Using Wi-Fi router

Receive up to ¥934/month discount when combining a Wi-Fi router in a set

au Smart Value - mine

Pair a Wi-Fi router with your au smartphone/mobile phone flat-rate data service plan, etc. and receive a monthly discount from the usage charge of your au smartphone, etc.

Click here for details

Price plans and Flat-rate data service also apply to 4G LTE (compatible with au VoLTE).

Reliable network throughout Japan

Wide coverage

800 MHz Platinum band
The population coverage ratio
exceeds 99%

Click here for details

High-speed communication via two bandwidths!

Ultra high-speed communication via
state-of-the-art technology!

Click here for details

WiMAX2+ for smartphones, too

Service areas are expanding!

Click here for details

Devices for
every personality

Click here for details

Peace of mind!

Security for disasters!
Security for loss and theft!
Security for repairs!

Click here for details

Save on calls to friends and family overseas!

Make international calls from au (in japan) to targeted countries/regions with
our fixed-rate calling service!

(Fixed-rate au International Calling Service)

Make up to 50 calls per month (up to 15 minutes each) at a fixed rate


List of au shops offering service in various languages

Easy overseas calls! Send short text messages
Use your au smartphone or
mobile phone overseas!
(International calls) (International SMS) (Global passport)
Make international calls from your
au mobile phone.
SMS (C-mail) can be sent to
smartphones and mobile phones
Use your au smartphone or mobile
phone overseas with the same
Click here for details Click here for details Click here for details

View Support movies

Support movies introduce steps of starting a new mobile contract in Japan.
It also explains international services we provide for foreign customers.

Our International Service

movie thumbnail

Cellphone Contract in Japan

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Optional services designed for living in Japan.

Choose an optional service in a set and save!
Receive a package discount by combining a paid optional service with your plan.
Tether your laptop and
tablet with your smartphone!
Basic Phone Pack (V) Basic Phone Pack Tethering Option
Target: 4G LTE (compatible with au VoLTE)
For 4G LTE smartphones, 3G smartphones,
iPhones, 4G LTE mobile
phones and 3G mobile phones.

Click here for details Click here for details Click here for details

Save with other au services

The au WALLET Prepaid Card.
Use it like a credit card for shopping!

Click here for details

Check below if you have questions!

Visit an au shop offering service in your language.

List of au shops offering service in various languages

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  • By phoneOpen 9:00 – 20:00

    • English

      0120-959-472(Toll Free)

    • Portuguese

      0120-959-473(Toll Free)

    • Chinese

      0120-959-476(Toll Free)

    • Korean

      0120-959-478(Toll Free)

    • Japanese

      157(Toll Free)from au phones

      0077-7-111(Toll Free)

  • By e-mailSend e-mail