There's a pretty clear dividing line that says neutrality of communication does not extend beyond physical infrastructure. He cannot be denied access to phone l

There's a pretty clear dividing line that says neutrality of communication does not extend beyond physical infrastructure. He cannot be denied access to phone lines or internet fiber, but any service running on them is free to set their own TOS and enforce them. In fact, internet really isn't free at all since Trump rolled back net neutrality. No more than he's allowed to walk onto the set of a news broadcast and interrupt the anchors.