Your ISP can read any text message you send and view metadata logs of any phone calls you make. In lots of places (like Australia where I live) ISPs are actually required to keep logs of your messages and phone calls
Why would my Internet Service Provider have anything whatsoever to do with my dumb phone?
Yes, texts and calls aren’t hidden from your mobile phone provider, they never were. I agree it’s not great, and the government is likely spying on you as they have been for decades.
But alas, I don’t see a solution without using a non dumb phone and encrypted apps, which will require the internet and at that point you’ve not got a dumb phone any more.
My Nokia 3310 still works great. Sure, the government could spy on me, but I don’t discuss anything sensitive over the phone (traditionally one doesn’t, for this very reason, wiretaps and the like). It’s a tool for casually staying in touch and arranging to meet up _






If they “can’t do anything” on their own service then how can they be trusted at all?
They’re either lying outright, or are so deeply incompetent that they don’t know how their own software works and can’t touch it to try to resolve a problem for fear of breaking something.