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How to Place Calls

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

Long distance calls

Area code 650 outside the local area

Dial 9 + 1 + 650 + seven-digit telephone number

Outside 650 within the U.S. and Canada

Dail 9 + 1 + area code + seven-digit telephone number

International: direct dial countries

Dial 9 + 011 + country code + city code + telephone number 

Calls to directory information

Information for Stanford

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

From the hospitals: Dial 200
From the university: Dial 3-2300

Information for area code 650

Dial 9 + 411

Information for other area codes

Dial 9 + 1 + area code + 555-1212

Billable Calls

International long-distance is now included as part of the business telephone service plan.

Last modified April 11, 2023