Oi is a Brazilian telecommunications company, pioneer in convergent broadband services, pay TV, local and long-distance voice transmission. The company is the operator that has the biggest fiber optics network capillarity, with over 400,000 kilometers of fiber, guaranteeing its nationwide presence, and reaching remote areas to promote digital ...

Confira a cobertura dos planos Oi Fibra de internet residencial e internet pra empresas com até 1 Giga. Acesse o atendimento oi, 2ªvia de conta e mais.

Oi was created in 1998 as a result of the privatization of the national Telebrás System, covering 64% of the Brazilian territory. In 2008, the Company launched its mobile telephone services in the state of São Paulo.

Go to our website for investors to have access to Oi’s latest news items, reports, quotations, results and official notices. Access our website and stay up-to-date!

Access our Annual reports page and get informed. We are Oi’s official investor relations website.

Fale por WhatsApp com a Oi ou ligue agora para falar sobre celular, combo, fixo, banda larga, Oi TV, fibra ótica e mais.

Access our Home page and get informed. We are Oi’s official investor relations website.

Acesse o Minha Oi e confira 2a via de conta, código de barras, saldo, recarga, ofertas exclusivas e mais. Atendimento Oi rápido e fácil pelo site ou app!

PÓS 100 Ligacões locais ilimitadas Para Celular da Oi e Fixo de qualquer operadora +

Conheça o novo site da Oi, o primeiro portal de telecom do Brasil que se adapta a qualquer dispositivo, da TV ao celular.