Voice-mail disappeared

I called in today to troubleshoot because my phone internet wasn't working, phone on 5G but only got 2 signal bars and I can't send pictures via text. Still didn't get a answer but after powering off a few times as directed by the rep my voice-mail is gone!!! We people call it say I have never setup my voice-mail so I tried to reset the password got a text but still no voice-mail.