LifeStyle NBA CORPORATE OFFICE HEADQUARTERS HQ By Tony Stark NBA Corporate Official Address Address:Â 645 5th Ave, New York, NY 10022, USAPhone Number:Â +1 212-407-8000Email:Â [email protected]Number of Employees:Â 3,260Established:Â June 6, 1946Key People:Â Adam Silver, Mark A. Tatum Also Read KEYBANK CORPORATE OFFICE HEADQUARTERS HQ