16. Useful information on power supply and telecommunications
In the state of Rio de Janeiro voltage in most places is 110W. In places where the voltage is 220W hotels and B&B’s usually have 110W converters. Larger hotels and B&B’s offer wireless connection or broadband internet. Additionally, there are cybercafés spread throughout the major cities of the state. Local, long distance or international calls can be made from telephones in hotel rooms, cellular phones or public telephones (using cards or collect call). The country code for Brazil is +55 and the city code for the city of Rio de Janeiro is 21. To make phone calls through an operator, dial 0800-7032110. For international calls with the help of bilingual operators (Portuguese and English) call 0800-7032111.