CELL C POOR SERVICE

I have complained to marketing team and to the call center about them suspending my number , i kindly asked them to debit my credit card but to date i have not received any reply ..when i phone the call center they say that they are referring the matter to the back office it's gone 3 week my number has not been restored i spoke to the head office and they told me that i could pay my balance on their app, but cell c has locked my account and i am not able to do that either.. i want to know was i not advised by the call center earlier then i should not have had all this grief... This is VERY POOR SSERVICE.... the marketing person said that she will contact me but has not