worst service ever from standard bank

in January i had the opportunity to close two accounts at standard bank, these were cheque and credit card accounts. they helped me friendly and it was done.<br> <br> two weeks later i receive my invoices of my accounts and says im in arrears and need to pay something like R300 to close the accounts, went into standard bank again, and they said they will sort it out for me and dont have to worry about anything.<br> <br> today i receive again invoices, sms that says i need to pay my account in arrears and a phone call that wants to sell another credit card to me. why will i ever go back to standard bank after all the trouble just to close 2 accounts, its done, i dont want to receive any phone calls or sms's or emails regarding these accounts.