AT&T has turned on its LTE service in 22 new markets across the U.S., and expanded 4G LTE service in many existing markets. With this expansion, operator's LTE network is now live in 261 markets. 

The newly added markets are Blytheville, Spokane, Olympia, Heber City, Texarkana, Williamsport, Vineland, Wooster, Farmington, Miami, Muskegon, Fort Wayne, Columbus, Seymour, Pocatello, Clewiston, Colorado Springs, Forrest City, Batesville, Idaho Falls, Blackfoot and Rexburg.

AT&T 4G LTE is expected to cover 300 million people by year-end 2014.