How the fuck they decide what is a burner vs a phone owned by people who don't like getting raped by the likes of AT&T is beyond me.
Edit: Per suggestion below, one option is textverified.com. I have verified this works. You can pay with crypto. As little as 75c
Join some servers I have noticed I am not giving them my phone number, fuck that. I also noticed for making a new account it can get "flagged" and you NEED a valid phone number. I got locked out of one alt I had.