Making internal and external phone calls

How to make an internal call

To place an internal call, dial the 5-digit extension number. If your phone number is 646-962-9999, your extension will be 1-9999. If your phone number is 212-746-9999, your extension will be 6-9999.

How to make a local or long distance call

To place a local call or long distance call, dial 9 + 1 + the area code and the number.

Need Help?

(212) 746-4878
Open: 24/7 (Excluding holidays)
WCM Library Commons
1300 York Ave
New York, NY
9AM - 5PM
Make an appointment

575 Lexington Ave
3rd Floor
New York, NY
Temporarily Closed

IT Glossary

Type an acronym or term you would like a definition for.