PUK Code is required when PIN code is entered wrong three times and gets locked.
PUK code is usually provided with your SIM Pack. Do check your SIM Pack provided by your cellular operator, If PUK Code is already provided there. Otherwise, you can call your cellular operator helpline and can ask them for the PUK Code. Depending on your operator, you might be required to visit their customer services department and they will give you your PUK code after some confirmations like National identity number. The confirmations might vary with operators. Usually PUK is provided free of charge but very rarely some operators might charge nominally for it.
PUK code is usually provided with your SIM Pack. Do check your SIM Pack provided by your cellular operator, If PUK Code is already provided there. Otherwise, you can call your cellular operator helpline and can ask them for the PUK Code. Depending on your operator, you might be required to visit their customer services department and they will give you your PUK code after some confirmations like National identity number. The confirmations might vary with operators. Usually PUK is provided free of charge but very rarely some operators might charge nominally for it.