Oi (telecommunications)
Defunct Brazilian telecommunications company
Nº Q1538731 ★★★★★
Ultra Rare · Organizations
Oi (telecommunications)
Defunct Brazilian telecommunications company
Oi (IPA: [ˈoj], Portuguese for "Hi"), formerly known as Telemar, was the largest fixed telephone operator and the fourth mobile telephone operator in Brazil, being the third largest telecommunication company in Latin America. It is headquartered in Rio de Janeiro.
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From Wikipedia
Oi (IPA: [ˈoj], Portuguese for "Hi"), formerly known as Telemar, was the largest fixed telephone operator and the fourth mobile telephone operator in Brazil, being the third largest telecommunication company in Latin America. It is headquartered in Rio de Janeiro. In 2013, Oi announced its merger with Portugal Telecom, the largest telecommunication company in Portugal. In June 2015, Portugal Telecom was acquired by Altice Group. On June 20, 2016, Oi filed for a US$19 billion (R$65 billion) bankruptcy protection, the largest on record for Brazil. On August 25, 2026, Oi was officially declared as bankrupt, almost one year after its initial bankruptcy declaration, on November 10, 2025.
Text: Wikipédia, CC BY-SA 4.0. · Image: Oi (Public domain) ·
