To activate international roaming for your mobile broadband device simply call:
- 1300 300 937 within Australia or 133 343 if you are a Business customer. Local charges apply.
- +61 2 8082 5678 from overseas (free call from your Optus mobile).
- Online via My Account (just click the "settings" tab for the service you want to turn on or off)
International Data Roaming for Mobile Broadband will activate within 4 hours. Just remember, you'll need to turn your device off and back on again to update the service access.