What exactly is AT&T USADirect Service?
AT&T USADirect Service consists of country-specific access numbers that connect you to the AT&T network from more than 150 countries. AT&T USADirect access numbers make it easy for you to call back to the U.S. and to other countries while you’re traveling abroad. Within the U.S. and Canada, the AT&T access number is 1 800 CALL ATT. Whenever you use an AT&T USADirect access number, you can bill your calls to an AT&T Calling Card, the AT&T Corporate Calling Card, many local phone company cards, and most major credit cards.
