I can see limited use for a land line if you changed your cell number and then only gave out the land line number to companies. There are probably cheaper ways utilizing Google voice numbers of protecting the privacy of your main cell number though.
You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !technology@lemmy.world
This is a most excellent place for technology news and articles.
I can see limited use for a land line if you changed your cell number and then only gave out the land line number to companies. There are probably cheaper ways utilizing Google voice numbers of protecting the privacy of your main cell number though.