Unlike landline directories, most cell numbers are private. These directories are not always up-to-date and may have accuracy issues, especially if numbers have been recycled by carriers.
There is no separate "Do Not Call" list for cell phones; you can register your cell number on the National Do Not Call Registry to reduce marketing calls. Methods for Finding a Number cellular phone number directory
Search sites that specialize in mobile numbers. Unlike landline directories, most cell numbers are private