if you just activated the number on the sim card.
your mobile number is the service number listed on the package.
if you no longer have the package.
call boost. 1258881 or use live chat http://boost.com.au/live_chat.aspx provide the sim serial number and they will be able to provide your phone number. or just simply call them ask what number are you using to call them.
If you were able to get the answer pls don't forget to mark the post as an Accepted Solution. If you also found someone helpful do not forget to give them Kudos to show your appreciation." None of us here are working for Boost or Telstra we are just here to help and share.
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