POTS* and electricity are two utilities that are everywhere in the US, including in rural areas. From an end-user's perspective, it's POTS. I'm sure the telepho

POTS* and electricity are two utilities that are everywhere in the US, including in rural areas. From an end-user's perspective, it's POTS. I'm sure the telephone company runs the signal over digital lines in some areas, but that's irrelevant to the people using it. * Plain Old Telephone Service