Yes, you can expect excellent connectivity with eSIMAdventures even in France's transit systems. The Paris Metro boasts widespread 4G/LTE and increasingly 5G coverage both in stations and tunnels, ensuring you can navigate or plan your next move underground. On TGV high-speed trains, our partner networks like Orange and SFR provide robust signal for the majority of the journey, even as you speed through the countryside. This means you can stay connected, stream, or work while traveling between cities like Paris, Lyon, or Marseille, making your travel time productive or entertaining.
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Will I have mobile signal in Paris Metro and on high-speed TGV trains with eSIMAdventures?
Updated April 22, 2026
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