No responsibility at Vodacom!

I had a contract with Vodacom and my number was converted from Contract to Prepaid, however I am now unable to receive calls. I have been on the phone with Vodacom the whole day yesterday being transferred from Pillar to post, The first customer service lady I spoke to was helpful and suggested I dial the following in order to get my line working: #330*1111# and #002# however this did not work. I called again and spoke to a consultant John who advised that he was working from home and was quick to transfer me to collections that my account was suspended. I then spoke to the lady in collections who advised that the number has been converted to prepaid on their side and that I should be able to receive calls because the whole point of a suspension is to prevent me from making calls and since I can make calls and load airtime nothing is wrong with my line, she then transferred me to customer care where I spent minutes talking to a lady who could not assist me. He asked me to give her an alternative number where she can contact me and test my current line and that never happened. Can someone assist me to get my line to receive calls. I have a little child in school and I cant afford for my phone not to work especially if the school needs to get a hold of me.