I think it seems rude for him to do that at a time like this, but I grew up in Alabama and that's what we called it.
Still, it is kinda like redneck jokes. It's okay if you ARE a redneck, but it's rude for a Snotty Harvard Lawyer (no offense to snotty Harvard lawyers intended) to do it, because it is usually mean-spirited.
They are the ones most likely to have power/phone lines (though that is not guaranteed). Find the number here:
I called them after a different hurricane, and they were at least able to tell me the status of the neighborhood.