I'm not talking about the ones that provide a user-contributable database of "what business owns this number, is it spam"; those are great.
I'm talking about sites that just list all possible phone numbers in a range, for SEO purposes, with no useful information about each number, and then try to sell you access to their invasive databases of personal information.
I'm talking about sites that just list all possible phone numbers in a range, for SEO purposes, with no useful information about each number, and then try to sell you access to their invasive databases of personal information.