Using overseas

Use your au smartphone or mobile phone as is overseas!

Data Flat service for Overseas

World Data Flat

¥490 / 24hours~

This service allows you to use data communication from the data amount of the Flat-rate Data Service / rate plan you subscribe to in Japan

Recommended for customers with the latest iPhone planning a long-term stay in overseas!

Travel Date eSIM powered by GigSky



Cellular data plans for the latest iPhone to stay connected to the internet and online while you’re in 96 destinations, including North America, Asia Pacific, Europe, and Latin America.

Calling/sending SMS overseas

Check available areas and charges

  • 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)

    • Tagalog

      0120-933-952(Toll Free)

    • Vietnamese

      0120-933-961(Toll Free)

    • Japanese
      about au mobile services

      157(Toll Free)from au phones

      0077-7-111(Toll Free)

      about Internet services
      Contract / Fee / Billing

      0077-7084(Toll Free)

      Connection setting / failure

      0077-777(Toll Free)