When your mobile phone has been stolen or got lost, we advise you to block your SIM card by your phone provider as soon as possible. Especially when you have taken out a subscription, it is important that you let the SIM card be blocked directly. since all phone calls made with your SIM card to the moment of the block of your sim card are at your expense. Once blocked it is no longer possible for the thief to call at your expense.
Below you will find all information you will need to block your sim card depending on your provider. It is convenient to write down the phone number of your provider and always carry it with you (Do not store this in your phone!).