CoreESIM plans for Thailand are primarily designed for data connectivity and do not provision a local Thai phone number. Your existing mobile number, associated with your primary SIM, will remain active for traditional voice and SMS. Data-driven communication applications such as WhatsApp, Telegram, and iMessage will function normally over the high-speed data connection provided by CoreESIM, ensuring you stay connected with your contacts.
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Do CoreESIM plans for Thailand include a local Thai phone number?
Updated April 22, 2026
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