135 nor twitter admin wont help me!!! What do I do with a silly sim Port. I shouldnt have ported

On 30/01/21 I purchased a starter pack and had it RICA'd at the mtn musgrave store. The person advised on how to port my existing vodacom number to MTN. I got home and begun the process by sending the sms etc. I received the sms stating that porting has begun. As per guidance from the person at mtn and the starter pack. I did not insert my new sim in until my existing sim stops working. At 20:12 that evening, I received an sms stating that number has been successfully ported to mtn. I waited for my existing sim to stop working and as soon as it did, I inserted my new sim card. I had to wait a while for it to work. I kept o getting sms's saying that provisioning failed but at 21:19 it eventually worked as i received a welcome message and what my number was. I dialed *136# and everything was fine. Today however, I get errors and it says theres something wrong with my number and I should contact Customer support. I did and sadly that doesnt even work and its supposed to be opened 24/7. I have to wait a while to even reach the menu as a woman with a **** american accent tells me about UNISA. I'm not a UNISA student. Twitter isn't any help either. What do I do? I have no phone number!!!!!!