This specific CoreESIM data plan is provisioned exclusively for use within the geographic borders of the Philippines. It is not designed for multi-country travel. If your itinerary includes transit or extended stays in other Southeast Asian destinations such as Thailand, Vietnam, or Malaysia, you will require a distinct regional or country-specific eSIM. CoreESIM offers various regional plans tailored for seamless connectivity across multiple nations, ensuring continuous service without interruption as you cross borders.
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Is this CoreESIM plan valid for other Southeast Asian nations like Thailand or Vietnam?
Updated April 22, 2026
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