Voter registration is public information and sufficient for cold callers.
If you live independently you will inevitably have to make privacy sacrifices for the sake of expediency. Having a bank account is probably going to be one of them. There are many essential services that you use but probably do not think of as an eighteen year old that may share information when you provide for yourself such as your phone carrier, ISP, utilities such as power, water, gas etc, insurance, health services, education or certification providers, employment or recruitment agencies, the list just goes on and you will have to thoroughly evaluate every company you interact with and in many cases there will simply be no realistic privacy respecting option.
Keep fighting to protect your privacy but don’t put an impossible burden on yourself to be perfect. You will make mistakes, you will make compromises, you will probably get spam. Welcome to late stage capitalism.
She is a vampire who literally eats the color red, is friends with royals and forced someone out of their home because she claimed to own it via primitive accumulation even though she hadn’t lived there in forever. The answer is no.