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How to Place Calls from Stanford Telephones

If your 7-digit number begins with 836, follow these dialing instructions. 

To reach any number in the 650 area code (including another Stanford telephone):

Dial the 7-digit phone number.
For example, if the number is 836-4357, dial 836-4357.

To reach any number outside the 650 area code:

Dial the 1 + 10-digit phone number.

To reach the Stanford operator, dial 0.

To find out your assigned phone number, dial 724-8778.

For all other numbers that do not begin with 836, see instructions below.

Local area calls

To reach an off-campus phone within the local area

Dial 9 + seven-digit telephone number.

AREA CODE 764, 408, 669 or 510
Dial 9 + 1 + area code + seven-digit telephone number.

Note: The Local Area for student telephone line subscribers covers approximately a 12-mile radius around Stanford. Calls within this area are included in the monthly service charge.

To reach 9-1-1 emergency services

Dial 9 + 911.

Long distance calls

You will no longer be prompted to enter a long distance access code when making domestic calls, including Alaska, Hawaii, Puerto Rico, and the Virgin Islands. Only charged calls will appear on monthly billing statements.

Area code 650 outside the local area

Dial 9 + seven-digit telephone number.

Outside 650 within the U.S.

Dial 9 + 1 + area code + seven-digit telephone number.

Calling card and operator assisted calls

Billing to a Pacific Bell or AT&T calling card (Domestic)

Dial 9 + 0 + area code + seven-digit telephone number ...

After a brief pause, you hear a burst of tone and must enter your calling card number, or wait on the line for an operator, before your carrier processes the call.

Billing to another calling card (e.g., Allnet, MCI, Sprint)

Dial 9 + follow the instructions on your calling card ...

Procedures for placing a call via a calling card vary from carrier to carrier. For additional information, call your carrier.

Billing to a credit card, collect, or to a third party

Dial 200

After a brief pause, an operator comes on the line for the telephone number you wish to reach and billing information.

Note: Credit card, collect, and third-party billing calls placed using this procedure are carried by Sprint. You cannot charge third-party calls to a Stanford telephone number. Also, such calls require that the operator receive authorization from the party being billed. For rates, dial 200 and ask the operator, or call Sprint customer service at 1-800-786-5050.

Calls to directory information

Information for Stanford
Information for Stanford University and Medical Center is provided by the Stanford operator.

Dial 200

Information for area code 650

Dial 9 + 411

Information for other area codes

Dial 9 + 1 + area code + 555-1212

International calls

International dialing is not available from student phone numbers‚Äč.

Last modified April 1, 2021