Always bring your passport when buying a SIM card in a physical store, as French law requires identification for mobile registration. FNAC Aéroport Roissy CDG T2E K

For those who prefer a physical card or need a French phone number, several locations across the city and airports stock them. Location Type Typical Brands Immediate connectivity upon arrival Orange, Bouygues, Relay Kiosks Official Operator Stores Technical support and plan customization Orange, SFR, Bouygues, Free Relay & Tabacs Quick, neighborhood purchases Orange Holiday, SFR Discover, Lyca Electronics Stores One-stop shopping with other gadgets FNAC, Darty, Boulanger Top Provider Options

: Known for the best value. You can find their automated SIM vending machines in Free stores or some FNAC locations. Their popular plan offers 350GB of data for approximately €19.99.