Dishonest service provider

It's been over 4 months now trying to cancel with rain, I've canceled on the app, spoke to consultants who **** and said they will get back to me which they never do, I've emailed, now my account is in arrears for something I dnt use, I've confirmed my address for collection of the router and I've called rain telling them I'm canceling but they keep debuting, this is *****