Visiting the U.S.

Visiting the U.S.

About Us

AT&T is a leading provider of advanced wireless voice and data services for consumers and businesses. Operating one of the largest digital wireless networks in North America and the fastest nationwide wireless data network in the United States, we provide customers with high-quality mobile wireless communications service in the U.S.

Our vision

We envision a world where wireless seamlessly and simply connects us to the people, information, and things we care about most, enabling us to be simultaneously connected and free.

Our strategy

To be the pre-eminent company for mobile, voice, and data services in the major markets of North America.

Our commitment

To be the pre-eminent company for mobile, voice, and data services in the major markets of North America. For more information about AT&T's wireless services, visit att.com/wireless.

AT&T's Wireless Technologies and Services

Wireless communications depend on core networks that allow voice calls and information (also called data) to travel to and from wireless devices. AT&T's wireless service is available to millions of customers in more than 6,500 cities and towns served by the AT&T GSM network. AT&T operates at a network frequency of 850/1900 MHz. We have the following services enabled on our network:

  • GSM
  • GPRS
  • EDGE
  • SMS
  • SMS Interworking
  • CSD
  • USSD
  • CAMEL (coming late 2004)
  • UMTS (coming late 2004)