Debt collectors harassing wrong person

For over 2 years I have been receiving phone calls from Standard Bank and debt collectors in regards to an outstanding credit card that is not mine. You have the wrong phone number on your records. Every day I am receiving threatening calls and SMS’s and every day you tell me you will sort it out. My cell number is even listed with TPN. I have never had an account with Standard Bank and please update your records and stop harassing me. My number is ***