It's crucial to check your specific home plan, but generally, popular Asian destinations like Japan, South Korea, or Vietnam are not included in standard 'North American' or 'European' roaming packages. Many international carriers classify these as 'Rest of World' zones, which often incur extremely high pay-per-MB roaming charges – leading to bill shock! An EastESIM offers a predictable, cost-effective solution, connecting you to reliable local networks like Docomo in Japan or SK Telecom in South Korea, without the worry of unexpected roaming fees. It's the smart way to stay connected on your Asian adventure.
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Are Asian countries like Japan or South Korea included in my US or European roaming plan?
Updated April 22, 2026
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