Credit card

Good day May you please assist me on my credit card query iv been querying numerous times and been to the bank on this matter for over 3months honestly im confused now there's no luck...i asked for the account to be closed the bank confirmed there was a balance on this acc *** however its blocked but i can settle balance and cancel card account. I was given these account numbers to make payment on *** i made payment its bounced back...i went back to the bank again i was given *** this account, i paid still my payment bounced back and both notifications say its incorrect.....i want to cancel the credit card but im not winning....who can i assist me???? Iv called all departments from credit card queries to collections still the card is active and its not my fault but Standard bank, i need to cancel as im unemployed..... please escalate this account *** cell no:***.....Thank you