AT&T in Brazil

AT&T is committed to providing local, regional and international companies in Brazil with high quality networking solutions. Sao Paulo is the headquarters for AT&T in South America.


AT&T in Brazil offers a wide range of services implemented by experienced AT&T engineers. With major locations in Sao Paulo, Rio de Janeiro and Campinas, AT&T Brazil currently employs staff in several areas including sales, network operations, marketing, human resources and finance.

Clients can benefit from an industry-leading portfolio that includes Mobility, Network, Network Security, Cloud, Hosting, IP Voice, Unified Communications and Application services.

AT&T has a long established presence across the Latin America and Caribbean region with a workforce of over 11,000 people located across Argentina, Brazil, Chile, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, Panama, Peru, Puerto Rico, Uruguay and Venezuela.

Supporting global enterprises across a wide-range of industries such as business services, hospitality, financial services, manufacturing and energy, AT&T’s offices in Brazil should be the first point of contact for any business or organization looking to connect and mobilize its operations, assets and information.

  • São Paulo
  • AT&T GNS Brazil
  • Rua James Joule, 65 – 6 and 7 floors
  • Brooklin, SP 04576-080
  • Brazil
  • Telephone: +55 11 2141-3707
  • Rio De Janeiro
  • AT&T GNS Brazil
  • Rua Lauro Muller 116/3106
  • Botafogo, RJ 22299-160
  • Brazil
  • Tel: + 55 21 2141-5559
    • Campinas
    • AT&T GNS Brazil
    • Av John Dalton, 301, Edificio 02 Tech
    • Campinas 13069-330
    • Brazil
    • Tel: + 55 19 3309-7281

Additional Regional Market Information