The CS Department maintains its own phone server.  Operating phones in CS is similar to elsewhere on campus, but any questions or problems should be sent to

On Campus & Local Calling

To call an on-campus number, simply dial the 5-digit phone number.  For off-campus local calls, you'll need to dial 9-512-XXX-XXXX.
For a directory of CS numbers, dial 411.
For emergencies, dial 911.

Domestic Long Distance

Long distance codes are no longer required for domestic long distance calls. First dial 9 to get an outside line, and then the 10 digit phone number.

International Long Distance

For international numbers, you'll need to obtain an auth code. Please contact for assistance.


To access your voicemail from your phone, dial *512 and enter your password when prompted.  You'll be given a default password when you start, but you can change that in the voicemail menu.  If you need your voicemail password reset, send mail to


To use the departmental FAX machine in GDC 2.304, follow the printed instruction sheet attached to the FAX machine.