Yes, you can use the survey code internationally for platforms like the mcdvoice.com survey, but it depends on the specific terms and conditions of the survey. mcdvoice.com survey are usually region-specific, meaning a survey code issued in one country may only work in that location. This restriction ensures the feedback collected is relevant to the specific market or branch. If you're traveling abroad and wish to participate, check the website or terms for eligibility. The mcdvoice.com survey is a tool for McDonalds to gather customer feedback globally, but survey codes might not always be transferable between countries.