au World Service SMS notifications

Once you have arrived abroad, you be notified via SMS of whether or not you can use the World Data Flat service. This SMS notification is sent free of charge.

World Data Flat

Message example

Two-step data flat for Overseas

Using a 5G/4G Smartphones/Feature phones

Message example

In areas not covered by the flat services

Using a 5G/4G Smartphones/Feature phones

Message example


SMS notifications may fail to be delivered based on your model or other circumstances. The number and content of sent SMS notifications vary depending on the country or region in which you use the service, or the service provider to which you are connected.

  • 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)