Where can I roam with Optus Mobile Broadband service?
Roaming is not available in all countries or in all areas of those countries Optus has partnership agreements with and speeds will vary. For a list of countries where roaming is available, visit our International Services Page. Note: Additional charges apply for use of the Optus Mobile Broadband service when roaming onto another network and such usage does not count against your plans monthly data allowance. .