Агломерация Сан-Паулу
Today, landline numbers usually use the number "3" at the beginning of the number. The use of the initial digit "2" is occasional except in Greater São Paulo and the state of Rio de Janeiro. The use of initial digit "4" is also occasional except in Greater São Paulo and digit "5" is only used in São Paulo, despite Anatel's plans to allocate part of the prefixes started by such digit to rural landlines.