Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Internet in Brazil, Telephone Numbers in Brazil, .Br, List of Brazilian Area Codes, Charges.com.br, Brazilian Internet Phenomenon, Ibest Award, Brazilian Carrier Selection Code, Safernet, Google.com.br. Excerpt: Country Code: +55International Call Prefix: 00 then Carrier Code In Brazil, the telephone numbering plan uses eight-digit local phone numbers, plus a two-digit area code. Public utility services use three-digit phone numbers, always starting with 1. As established by ANATEL, the Brazilian federal telecommunications regulatory agency, the format for a local phone number is nnnn-nnnn, where the first digit identifies the service associated with the phone number: These initial digits are known to the public, so one always knows beforehand if one is calling a fixed or a mobile line. Until 2008, the initial digit 6 was used for landlines in some parts of So Paulo and neighbouring cities in area code 11, but Anatel demanded that 6 was to be released for mobile use. Fixed-line numbers starting with 6 in that area were gradually changed during 2008 to new prefixes starting with 2. In other areas of Brazil, the initial digit 6 was not in use at that time, so no change was necessary. Until 2005, some localities still used a seven-digit local number (nnn-nnnn). Until the 1990s, there were also certain regions with three-digit area codes and five- (n-nnnn) or six-digit (nn-nnnn) phone numbers. Even shorter numbers used to exist in previous decades, especially in small towns and before direct distance dialing became universal. Numbers starting with 400n are reserved for a special case of non-geographic numbers (see below). Numbers starting with 1700 are used within the service area of the Oi Fixo landline operator for some Internet Service Prov... More: http://booksllc.net/?id=4084677