Question 1

What is the area code for San Francisco?

Accepted Answer

The main area code for San Francisco, California is 415. San Francisco is now served by 2 area codes in total: 415, 628.

Question 2

How many area codes does San Francisco have?

Accepted Answer

San Francisco has 2 area codes: 415, 628.

Question 3

Why does San Francisco have more than one area code?

Accepted Answer

As San Francisco used up the numbers available in its original area code (415, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a San Francisco number?

Accepted Answer

Dial all 10 digits — the area code (415 or 628) followed by the 7-digit local number. From outside the U.S., dial +1, then the area code and number.

Area codes in San Francisco, California

Area codes serving San Francisco