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Oi, formerly known as Telemar, is the largest telecommunications telephone company in Brazil and the second largest in Latin America. Today, Oi and its subsidiaries offer local, long distance and international voice and data services, besides a growing mobile phone network.Currently, Oi has 22.2 million land lines in service, 31.7 million wireless customers, 4 million ADSL subscribers (2009) and about 44 thousand employees. For Plan Terms and Details: Provider Website: www.oi.com.br
Purchase your international minutes refill online and have it delivered in real time. All airtime refill PINs are delivered instantly on the confirmation page and again in a confirmation email. Your refill purchase details will also be recorded in your secure account order history page. To ensure your security, you will be asked to enter and confirm the mobile number for which you want to buy airtime. Click on ""Validate My Phone Number"" and we will immediately confirm that the mobile number entered is compatible with the airtime ordered. In the event of a validation error, please try again to carefully enter your mobile number. This validation process takes only a moment and will ensure that your personal information is safe and secure and that you are purchasing a compatible airtime refill for your phone. If any additional verification is needed, you will receive a phone call from a customer service agent within a few minutes of placing your order, if your order was placed during our normal business hours between 8am and 8pm EST.