phonebook
phone book
telephone book
telephone directory

And You don't have to look in the phone book.

But he had looked up her father in the phone book and found the number.

She does not list her business in the phone book.

He wanted to know if they had any phone books.

I looked up his private office in the phone book.

How often these days do you look at the phone book?

I got to the phone book he had looked at.

Until I tried to look up a number in the phone book.

But you won't find the number in the phone book.

I can't look up every phone book in the country.