The only phone you get is a landline, a plastic Garfield whose eye open when you pick up the handset. So it is written, so shall it be.

Cory Doctorow explained in one of his articles that the Amish don't avoid technology indiscriminately, they weigh the harm against the use. His example was that it's bad when electronic communication replaces face-to-face contact, but it's no good either if you can't call a vet when your cow falls ill.

Mennonites wild be the closest but that entirely depends on the community.