(Est. June 19, 1926) The National Broadcasting Company (NBC) is an American English-language commercial terrestrial radio and television network that is a flagship property of NBCUniversal, a subsidiary of Comcast.
The network is headquartered at 30 Rockefeller Plaza in New York City, with additional major offices near Los Angeles (at 10 Universal City Plaza), Chicago (at the NBC Tower) and Philadelphia (at the Comcast Technology Center).
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