Question 1

What is the area code for Trenton?

Accepted Answer

The main area code for Trenton, New Jersey is 609. Trenton is now served by 2 area codes in total: 609, 640.

Question 2

How many area codes does Trenton have?

Accepted Answer

Trenton has 2 area codes: 609, 640.

Question 3

Why does Trenton have more than one area code?

Accepted Answer

As Trenton used up the numbers available in its original area code (609, in service since 1957), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Trenton number?

Accepted Answer

Dial all 10 digits — the area code (609 or 640) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Area codes in Trenton, New Jersey

Area codes serving Trenton

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