Iberia Airlines is moving its U.S. headquarters to Los Angeles from New York, effective Feb. 16. The carrier, which is Spain's national airline, says its Los Angeles headquarters office will oversee marketing, sales, administrative and personnel activities for the United States. In addition to the Los Angeles office, Iberia has regional offices in New York, Miami and Chicago. Iberia's U.S. reservations center is in Chicago. The airline is headquartered in Madrid.