Country code: +55
Good clear Yellow Pages site - type in the keyword you're looking for and click on buscar to search. You can also select categories (Navegue por Atividades) or region (Navegue por Estado). The businesses are listed via registration only so it's not a fully comprehensive list, only those who have done so. In Portuguese only.
Simple Yellow Pages site – type in what you're looking for and select the city cuidad. Click on buscar to search. To see the telephone number of the company or service you're interested in, click on ver telefone.
Yellow Pages for Brazil. In Portuguese. Type in what you're looking for in the keyword box(Procure por locais, restaurantes, parques) and where (Onde) and the click on Localizar. If you're not sure of the exact location spelling you're looking for it does have a drop down feature of suggestions once you start typing the name and also in the first search box, if you're looking for hotels, for example; it will come up with a list of entries. You need to click on ver telephone to see the phone numbers. Includes maps.
Complete regional versions of each Yellow and White Pages in Brazil. Choose your area (Selecione uma cidade do Brasil para acessar sua lista digital); it has an autocomplete feature so it helps if you're not sure of the precise area as a list will appear to choose from. Then this will load a graphical version of the actual telephone directory for that area. Flick through (note - has sound effects!) or search using the Pesquisar option at the top of the page (an icon with magnifying glass over a page). In Portuguese.
Telephone directory for people and businesses in all of Brazil, search by name or business classification. In Portuguese: enter a name in nome, select a state in stado and press search - buscar. To search for businesses by keyword enter the keywords in palavra-chave.
Business directory for Brazil. Search by area (Onde) and category (O Que) - results can be filtered by relevance, distance from the selected location, or sorted by alphabetical order. Also suggests similar categories. In Portuguese.
Combined White Pages and Yellow Pages (alphabetic and classified) telephone directory for people and businesses from Oi. In Portuguese. Search requires completion of acaptcha (type in numbers manually to prove you're not a robot) and results are shown in a Java box so some people may not be able to see them if they don't have the plugin installed.