AT&T plans 80 new high-speed mobile markets in '08

NEW YORK (Reuters) - AT&T Inc said on Wednesday it would expand its high-speed wireless service to 80 additional markets in 2008, increasing the number of markets where it offers the service to 350 big U.S. markets.

AT&T, the biggest U.S. mobile service, has been behind rivals in building a network with high-speed wireless Web access for cell phones.

(Reporting by Sinead Carew, editing by Gerald E. McCormick)