Nedbank-you need to do better

I've been trying to get a hold of a person at Nedbank Cresta' I emailed-no response; I phoned the landline-not available; I phoned their cellphone-not available; I called the the number on google-doesn't exist; I called the Call Centre who can't help me. I have to go to the bank, physically, to sort out the issue. Nedbank-you need to do better. Good job I've only been with them for 40 years, imagine if I was a new customer.