FAILURE TO CANCEL INSURANCE FOR CUSTOMER THAT HAS IMMIGRATED

Vodacom has failed to cancel my insurance as per my multiple requests made prior to immigrating. They keep debiting my account although I am out of the country. I was told I have to renew my contract in order to keep my number, which was either R39 or R45 a month but they have been taking various amount off my account since March. I understand times are tough in SA but surely their customer service shouldn't take a beating. I have emailed twice and reversed the debit order twice and will keep doing this until someone replies to my email. I can't call as I am out of SA.