From NYU's website...

<p>Notification of admissions decision are done by U.S. Postal Service only. Decisions are not released over the internet, telephone, or through an e-mail.</p>

<p>Early decision applicants should expect to begin receiving notification letters on December 15th. It is important to note that not all early decision applicants will be notified on this date. Notification for early decision students usually lasts until the 1st of January, though the majority of decisions are mailed prior to the University closing for winter-break on December 23rd.</p>

<p>NYU also says all colleges send their notices at the same time.</p>