CELLPHONE? DATA CONTRACTS ARE *******!!!!!!

So.... who has tried to CANCEL their Vodacom account lately..... I have... and after 1 hour and 40 min I am no closer to cancelling this account. NOBODY but NOBODY can help me ..... to get the contract 6 years ago was a walk in the park on a warm sunny day...... but now NOT ONE PERSON can assist. their phone lines to try to this is *******.... when you FINALLY get a human on the other side of the line..... they are unable to assist ..... I have an account number a cell number and yet NO HELP........aaaaaaaagh ...... guess what... the contract had expired more than 3 years ago I have been paying for something I had NOT used ..... not their fault for over three years..... and now its impossible to cancel!!!!!! I am NOT paying ANOTHER cent!!!!! Why can you NOT cancel on a ****** ACCOUNT NUMBER!!!!!!!! INSANE man... DONT take out contracts with these people!!!