Very bad Service Nedbank

I was blocked because i struggled to load electricity beneficiary. My house was in the dark as a result Nedbank consutant told me that phone number i was using for over 15 years is locked and i need to visit a branch .it was Saturday evening ..had no electricity...for hours .what a terrible service from Nedbank ..poor consultants letting you wait for long on the phone at the end they cannot help .***********..bad Service..