"Gu�a telefonos" is a Spanish phrase that means "phone book" or "phone directory" (literally "telephone guide"). Other acceptable forms with the same meaning are "gu�a telefonica" and "gu�a de telefonos."
A "gu�a telefonos" can be a simple list of phone numbers in an office, company, school or group. It can also be a larger compilation of the phone numbers in a state or country and the corresponding names of individuals or organizations to whom the numbers are registered.
"Guia telefonos" is also the name of a website that has an online directory for reverse-lookup. The website advertises that users may be able to find information such as the registered owner, city of origin, or telecommunications company corresponding to phone numbers they enter.