Hello Shazad,
You can find your PUK code for free on the plastic card where you SIM card was attached or on your Espace Client (customer area).
If you don't have access to it, I can send it to you by e-mail but it will cost 5€ (on your next bill).
Do you need me to send it to you ?
Have a nice day.
Maude, Conseillère Assistance Mobile
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Le saviez-vous ? Votre Espace Client est disponible 24h/24 et 7j/7 sur https://www.nrjmobile.fr/fr/client