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
Using a vpn already flags you. I had to give my phone number on an alt I had, I obviously did not and just abandoned that one.