San Francisco Dialing Codes - At a Glance

Below is a recap of the key San Francisco dialing codes you may need for making calls to, from, or within San Francisco.

Follow links for additional information on any code - or to look up that code for other countries.

National long distance code (NDD):
415, 650, 510, 408, more...

San Francisco phone numbers are 10-digits long consisting of a 3-digit area code and a 7-digit local subscriber number. The phone number format is the same for both landline and mobile phones.

Additional San Francisco dialing and calling information is provided throughout this site.

San Francisco dialing instructions
San Francisco phone numbers
Recommended calling cards

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