Initially, the company was known as Chile Telephone Company, having a name in English.
Later, the company was renamed as Compañía de Teléfonos de Chile.
Naranjo Diseño Procorp
This logo was designed by Julián Naranjo and the agencies Naranjo Diseño and Procorp.
In 1991 it was renamed as Compañía de Telecomunicaciones de Chile (Chile Telecommunications Company), keeping the CTC name and logo.