AT&T Switching Center

AT&T Madison Complex Tandem Office
Alternative names AT&T Switching Center
PacBell Tower
Pacific Telephone Tower
SBC Building
SBC Communications Switching Station
General information
Type Commercial offices
Switching station
Location 420 South Grand Avenue
Los Angeles, California
Coordinates 34°03′03″N 118°15′09″W / 34.050750°N 118.252614°W / 34.050750; -118.252614Coordinates: 34°03′03″N 118°15′09″W / 34.050750°N 118.252614°W / 34.050750; -118.252614
Completed 1961
Owner AT&T
Height
Antenna spire 136.55 m (448.0 ft)
Roof 79 m (259 ft)
Technical details
Floor count 17
Design and construction
Architect John B. Parkinson
Donald D. Parkinson
References
[1][2][3][4][5]

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 codes, for foreign long distance calling.

See also

References

  1. ↑ "AT&T Switching Center". CTBUH Skyscraper Database.
  2. ↑ AT&T Switching Center at Emporis
  3. ↑ AT&T Switching Center at Glass Steel and Stone
  4. ↑ "AT&T Switching Center". SkyscraperPage.
  5. ↑ AT&T Switching Center at Structurae

Further reading

  • "Los Angeles Central Offices Madison Complex". The Central Office. 14 March 2009. Archived from the original on 3 September 2010. Retrieved 3 September 2010.
  • "AT&T Tower, Los Angeles, California". Southland Architecture. 2010. Retrieved 3 September 2010.
  • Gallagher, Ryan; Moltke, Henrik (June 25, 2018). "The NSA's Hidden Spy Hubs in Eight U.S. Cities". The Intercept.
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