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Private company

Companhia Telefônica Brasileira

Brazilian defunct company (1923-1976)

Companhia Telefônica Brasileira (CTB) was a Brazilian fixed-line telephone company that provided services to the states of Rio de Janeiro and São Paulo, as well as Minas Gerais and Espírito Santo through its subsidiaries CTMG and CTES. Between 1972 and 1976, CTB belonged to the Telebras system.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Companhia Telephonica Brasileira
Photo: Unknown author Unknown author, Public domain, via Wikimedia Commons3

Companhia Telefônica Brasileira (CTB) was a Brazilian fixed-line telephone company that provided services to the states of Rio de Janeiro and São Paulo, as well as Minas Gerais and Espírito Santo through its subsidiaries CTMG and CTES. Between 1972 and 1976, CTB belonged to the Telebras system.2

Subsidiaries and ownership

Owners

  • Brookfield Brasil

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

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