How do I display my own number on my phone? In this article To find out your own mobile number, simply dial *129#. Once this is done, a confirmation message will come back to your phone displaying your mobile number. No fee is charged for this service. Related articles If I lose my phone, how can I track it? How to get your PUK code I am unable to send outgoing SMS What is number Portability? What is a Recycled Number?