You could as recently as a few months ago (haven’t tried since winter), but you have to be careful from the create account page. If you get asked for a phone number, start over in a new Firefox container. Or, you could do it through YouTube.

I have tried this dozens of times in the last year, with an empty cookie jar. Every time it demands I verify a phone number.

It has to be the IP address of something they know the location of with some certainty, near impossible to privately sign up for one.

Try it with a VPN or anything from a datacenter IP or any other public place and it's a no go.