Question 1

What is the area code for San Bernardino?

Accepted Answer

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

Question 2

How many area codes does San Bernardino have?

Accepted Answer

San Bernardino has 2 area codes: 909, 840.

Question 3

Why does San Bernardino have more than one area code?

Accepted Answer

As San Bernardino 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 San Bernardino 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 San Bernardino, California

Area codes serving San Bernardino