Question 1

What is the area code for Fontana?

Accepted Answer

The main area code for Fontana, California is 909. Fontana is now served by 2 area codes in total: 909, 840.

Question 2

How many area codes does Fontana have?

Accepted Answer

Fontana has 2 area codes: 909, 840.

Question 3

Why does Fontana have more than one area code?

Accepted Answer

As Fontana used up the numbers available in its original area code (909, in service since 1992), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Fontana number?

Accepted Answer

Dial all 10 digits — the area code (909 or 840) followed by the 7-digit local number. From outside the U.S., dial +1, then the area code and number.

Area codes in Fontana, California

Area codes serving Fontana