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International Services

  • Using overseas


    GLOBAL PASSPORT is a service that lets you connect to overseas carrier networks and use telephone, mail, internet, and other services with no additional applications or charges.


    Using overseas (Wi-Fi)

    Smooth Wi-Fi communications in more than 100 overseas countries and regions!
    No application necessary! Just change to overseas mode by using a specialized app (au Wi-Fi connection tool) and you can use the service!

    au Wi-fi SPOT

    For customers who will go to the United States for an extended period due to overseas assignment, business trip or study

    The "KDDI Mobile" service offered by KDDI America, Inc. is recommended for customers staying in America for an extended period of time. You can apply before departing at au shops nationwide.

    KDDI Mobile

  • Calling overseas

    au International Calling Service

    Make international calls right away without any application procedures from an au smartphone or au mobile phone.

    <How to make a call>
    "010" – country code – phone number

    au International Calling Service

    International SMS

    Text messages can be sent from an au smartphone or mobile phone to a phone number of a local smartphone or mobile phone overseas.

    international SMS


  • Make sure to check here if you want to use an au mobile phone at your overseas travel destination

Before leaving Japan (in japanese only)

Phone numbers for inquiries from outside Japan

  • Travel information from the Ministry of Foreign Affairs of Japan. This website lists important information for overseas countries and regions to ensure safe travel and stays.

Ministry of Foreign Affairs of Japan: Overseas Travel Safety Website

  • Smartphone use
  • Some applications may send/receive data even when a user does not operate the device. Subscription to a packet communications flat-rate service is recommended.
  • Flat-rate packet communication services for domestic communications are not applicable to packet communications made overseas.
  • It is recommended to turn the data roaming function OFF if you do not use packet communications.

Service area and rate tables (PDF)(in Japanese only)

Tables of GLOBAL PASSPORT CDMA/GSM service areas and rates can be viewed in the PDF files below. Print them out and take them with you when you travel.

4G LTE smartphone/tablet users

3G smartphone(including iPhone 4S)/au mobile phone users

KDDI Super World Card

photo: KDDI Super World Card

KDDI Super World Card, the convenient international prepaid calling card usable in Japan or overseas --- check here for internet card number purchasing, usage instructions, and price information.

KDDI Super World Card