Question 1

What is the area code for Alameda?

Accepted Answer

The main area code for Alameda, California is 510. Alameda is now served by 2 area codes in total: 510, 341.

Question 2

How many area codes does Alameda have?

Accepted Answer

Alameda has 2 area codes: 510, 341.

Question 3

Why does Alameda have more than one area code?

Accepted Answer

As Alameda used up the numbers available in its original area code (510, in service since 1991), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Alameda number?

Accepted Answer

Dial all 10 digits — the area code (510 or 341) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Area codes in Alameda, California

Area codes serving Alameda

Nearby cities