Bad experience with Vodacom SA

I'm so disappointed I have been using Vodacom as my favorite network service provider 26 years 8 months on Saturday the 11th January when I woke up around 20h20 I realized that my there's no network on my phone I can't use whatsapp is gone when I tried to make a call I couldn't my number was gone when I check only to find that my Sim card has been blocked and given to someone who did a Sim swap online and got my Sim card, I've been trying since then from that Saturday night to get it back by doing Sim swap too online but in vain I went to Vodacom store of which it showed my house address my ID number my everything but they said they couldn't help me get my number back, that number is registered on everything I mean everything because I've been using it for 26 years but to get it back they can't help me but they gave it to someone just like that,please help me get my number back from Vodacom how can they tread their customers like this and when I get to Vodacom store to complain they were other people with the same problem whom couldn't get their numbers that has been hacked as well 😢 😔 why Vodacom are treating us like this I want my number back *** I've been using it all my life,Helopeter please help me