No, this specific CoreESIM plan is precisely geo-fenced for use exclusively within Indonesia. It is not designed for regional travel. Should your itinerary include transit or visits to adjacent countries such as Singapore, Malaysia, or Thailand, your data connectivity will cease upon crossing international borders. For multi-country journeys across Southeast Asia, CoreESIM offers dedicated regional plans that provide continuous service across multiple nations, ensuring uninterrupted connectivity throughout your entire trip.
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Is this Indonesia CoreESIM plan valid in neighboring Southeast Asian countries?
Updated April 22, 2026
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