This specific NorthESIM plan is valid only within Mongolia. The iconic Trans-Mongolian Railway often extends into Russia or China. Once your train crosses the Mongolian border into Siberia or Inner Mongolia, your data connection will no longer be active under this plan. For continuous connectivity on this multi-country adventure, we recommend exploring our regional or global eSIM offerings designed for seamless international travel.
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Is this NorthESIM plan valid for the Trans-Mongolian Railway journey into Russia or China?
Updated April 22, 2026
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