How do I display my own number on my phone? To find out your own mobile number, simply dial *100#. 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 I am unable to send outgoing SMS. Why? Damaged handset problems and possible fixes How do I add credit to my Digicel modem? How to Set Data Limits & track Usage on Your Device How do I sign into the PlayGo App?