Surpassing its companion tower, 200 Spectrum Center, by a few inches, 400 Spectrum Center (right) opened this month as the tallest building in Orange County, California.
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Spectrum CenterLos Angeles Times
400 Spectrum Center opens, becoming O.C.'s tallest office buildingOrange County Register
Cylance claims naming rights to 400 Spectrum skyscraper, now open for businessShare
