PacBell Tower

The AT&T Madison Complex Tandem Office is a 17 story, 79 m (259 ft) skyscraper in Los Angeles, California, completed in 1961. With its microwave tower, used through 1993, bringing the overall height to 137 m (449 ft), it is the 29th tallest building in Los Angeles. The building serves 1.3 million phone lines in area code 213, and other Los Angeles area area codes, for foreign long distance calling.