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Which local networks does EastESIM utilize in countries like Japan or South Korea?

Updated April 22, 2026

EastESIM prides itself on partnering with Asia's leading Tier-1 carriers to guarantee superior speed and coverage. For instance, in Japan, we connect to premium networks like NTT Docomo or au, renowned for their extensive 5G reach even in more rural areas. In South Korea, you'll be on networks such as SK Telecom or KT. Our deep local expertise ensures you always have access to the fastest and most reliable connections, whether you're in a bustling metropolis or exploring a serene temple.

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