Question 1

What is the area code for Fullerton?

Accepted Answer

The main area code for Fullerton, California is 714. Fullerton is now served by 2 area codes in total: 714, 657.

Question 2

How many area codes does Fullerton have?

Accepted Answer

Fullerton has 2 area codes: 714, 657.

Question 3

Why does Fullerton have more than one area code?

Accepted Answer

As Fullerton used up the numbers available in its original area code (714, in service since 1951), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Fullerton number?

Accepted Answer

Dial all 10 digits — the area code (714 or 657) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Area codes in Fullerton, California

Area codes serving Fullerton

Nearby cities