Is this specific SouthESIM plan valid for neighboring countries such as Singapore, Malaysia, or Thailand?

Good question! This particular SouthESIM plan is designed exclusively for use within Indonesia. This means if your adventure takes you across borders into countries like Singapore, Malaysia, or Thailand, your connection will stop at the border. For travelers exploring multiple countries in Southeast Asia, we highly recommend checking out our regional SouthESIM bundles. These multi-country plans are perfect for seamless travel, allowing you to stay connected without needing a new eSIM for each destination.