The AT&T Madison Complex Tandem Office is a 17 story, 79 m (259.2 ft) skyscraper in Los Angeles

Los Ángeles

Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, completed in 1961. With its microwave tower, used through 1993, bringing the overall height to 137 m (449.5 ft), it is the 29th tallest building in Los Angeles. The building serves 1.3 million phone lines in area code 213

Area code 213

North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

, and other Los Angeles area area codes, for foreign long distance calling.