u/FennelImpossible9848

I'm in New Zealand and I'm currently using a 2degree sim, My phone was working fine a month ago until this week I missed a call and it was sent to my voicemail, so I dialed 202 to listen to it but the call didn't go through and it just ended the call by itself. Now I can't receive or make any calls to anyone but I can send/receive text messages (tried every troubleshooting I know: DnD off, Airplane mode on&off, restarting my device, reseating my sim). I then tried my sim on another device which worked fine (can make or receive calls) until I tried to dial 202 again and the same problem occurred (call ended & can't make/receive calls) so I was wondering if anyone else encountered the same problem and found a fix for it?