a book, directory, or the like, usually containing an alphabetical list of telephone subscribers in a city or other area, together with their addresses and telephone numbers.
Origin of telephone book
First recorded in 1910–15
Also called telephone directory.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for telephone directory
a book listing the names, addresses, and telephone numbers of subscribers in a particular area
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012