Only if they knew the number I guess and could ping it and look what transmitter answered. After multiple pings you could probably narrow it down a lot from all

Only if they knew the number I guess and could ping it and look what transmitter answered. After multiple pings you could probably narrow it down a lot from all the other transmitters. But then again, if they know your number there might just be some Google or Apple API responding with a GPS reading. E.g. Google stores most peoples position anyway in their Maps SaaS. But with this every shady US authority can map each phone number to a location. I assume that the cell phone reports its number to a tower or at least some unique id? I really hope "Linux phones" starts to become practical so we can opt-out of all these shenanigans. And I am not even on a Washington shit list.