Mobile service that doesn't know who you are: phreeli

New prepaid virtual network provider which doesn't know anything about you except your zip code. This proves other telecoms could do it too. Founder is famous for fighting court orders: https://en.wikipedia.org/wiki/Nicholas_Merrill

EFF had some vague support to give

Cheapest plans currently start at 25/mo. So much more than minimalistic providers, but not outrageous.