Receiving Notifcations from other account on my phone

<p>Good Day</p> <p> </p> <p>I been repeatingly reporting i am receiving notifications of data use and account billing for another contact number which is not linked or owned by me.</p> <p>However vodacom been failing to resolve the issue after it been reported twice already.</p> <p> </p> <p>Problem been going on since 15 Feb 2017</p> <p>Latest Ref : 1- ********** ********** </p> <p>Problem number : ********** </p> <p>Please contact me vodacom backoffice so this matter can be resolved.</p> <p> </p> <p> </p>