http://status.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/opsec/phonenumbers/index.html
Now, it is possible for you to purchase a sim card (or e-SIM) anonymously using for example this service here , but the fact remains the same, that once the simcard is active into your smartphone, there is a permanent record of where that simcard has ever been and there is nothing you can do about it. Naturally, law enforcement agencies LOVE to keep their hands on this data. They use it all the time. For example, all it takes for LE to figure out who has been in a public protest is to...