To assuage your fears or maybe exacerbate them: 2, 3 are already copyrightable. (Rightly so.) 4, 5 are not copyrightable because they aren't fixed expressions

To assuage your fears or maybe exacerbate them: 2, 3 are already copyrightable. (Rightly so.) 4, 5 are not copyrightable because they aren't fixed expressions in a tangible medium. 1 isn't copyrightable because a phone number is a fact.