Receiving sms and calls, for a standard bank account that is not mine

Who is MBD (Munnik Basson Dagama) .I have been getting repeated SMS's and messages about an outstanding Standard Bank account number: ***, For a Moketso .I don't have a Standard Bank Account. Please remove my cell number from your system , IMMEDIATELY. I have told your consultant already to remove my number from your system. But to date nothing has been done. UNPROFFESSIONAL!!!