To transfer your existing number to Lebara, you will need to call the 3179 from your existing network provider to receive your RIO number and order a free Lebara SIM card from us. Once you have a RIO code simply activate your free Lebara SIM card; then please contact one of our agents and provide them with the following information: 1. Your RIO number.2. The name of your existing network provider.3. The existing number you wish to transfer to Lebara.4. Your Lebara number. We will transfer your number to Lebara within 5 working days, once we receive the above information from you.