No, this is a significant roaming pitfall. Tonga is an independent kingdom and is unequivocally not included in any standard Australian, New Zealand, EU, or US domestic mobile plans. Your home carrier will impose extremely high "Rest of World" satellite rates, leading to exorbitant bills. Truly Roaming provides a dedicated, cost-effective eSIM solution for Tonga, ensuring you have predictable and affordable data for essential communication and light work tasks without the shock of unexpected international roaming charges.
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Can I expect free roaming in Tonga with my Australian, New Zealand, or US SIM card, or is Truly Roaming a better choice?
Updated April 22, 2026
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