Question 1

What is the area code for New Haven?

Accepted Answer

The main area code for New Haven, Connecticut is 203. New Haven is now served by 4 area codes in total: 203, 860, 475, 959.

Question 2

How many area codes does New Haven have?

Accepted Answer

New Haven has 4 area codes: 203, 860, 475, 959.

Question 3

Why does New Haven have more than one area code?

Accepted Answer

As New Haven used up the numbers available in its original area code (203, 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 New Haven number?

Accepted Answer

Dial all 10 digits — the area code (203 or 860 or 475 or 959) followed by the 7-digit local number. From outside the U.S., dial +1, then the area code and number.

Area codes in New Haven, Connecticut

Area codes serving New Haven