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How to Place Calls from Stanford Telephones

Starting in April 2022, you can no longer dial 7-digit local phone numbers when using the Stanford phone system. For details, see Change for Dialing Local Calls from Stanford Phone Numbers Coming Soon.

Emergency calls

To reach 9-1-1 emergency services

Dial 9 + 911.

Local area calls

To reach another Stanford telephone

Dial the last five digits of the telephone number.
For example, if the number is 725-4357, dial 5-4357.

Note: The Stanford system serves the University, the Medical Center, and on-campus student residences. Stanford phones have 10-digit numbers beginning with area code and 497, 498, 721, 723, 724, 725, or 736 (e.g., 650-725-4357). Note that from a non-Stanford phone, a caller must dial your full 10-digit phone number to reach you; non-Stanford callers cannot dial a five-digit number to reach you.

To reach an off-campus phone within the local area (all area codes including 650)

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

Long distance calls

Area code 650 outside the local area

Dial 1 + 650 + seven-digit telephone number

Outside 650 within the U.S. and Canada

Dail 1 + area code + seven-digit telephone number

International calls

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


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 1 + area code + 555-1212


Last modified February 17, 2022