Move payment

I have trying for 4 days to move a payment on a cancelled Rain account, to an active acvount. The account was cancelled in May 2025. The router was collected and returned to Rain, but l am still receiving payment reminders on this cancelled account. l paid this account, in error, because of these outstanding payment reminders. l called Rain and asked that this payment be moved to my active account. This was 4 days ago and l have been without my wifi since then, and despite daily calls the payment has not been moved. There is no way to actually speak with the billing department. This is theft, but l do not want to pay my active account because l will not get a refund. Disgusting service.