Question 1

Where is area code 640?

Accepted Answer

Area code 640 covers Trenton and nearby cities including Atlantic City, Ewing, Willingboro in New Jersey, in the Eastern Time.

Question 2

What cities use area code 640?

Accepted Answer

Area code 640 serves Trenton, Atlantic City, Ewing, Willingboro in New Jersey.

Question 3

What time zone is area code 640 in?

Accepted Answer

Area code 640 is in the Eastern Time (America/New_York).

Question 4

How do you dial a 640 number?

Accepted Answer

Dial all 10 digits: 640 followed by the 7-digit local number. From outside the United States, dial +1 640 and the local number.

Question 5

Is a call from area code 640 a scam?

Accepted Answer

A 640 number is geographically tied to New Jersey, but caller ID can be spoofed, so the displayed area code does not prove where a caller really is. If you did not expect the call, do not share personal information and consider looking the number up.

Question 6

Is 640 a country code?

Accepted Answer

No. 640 is a US area code (a domestic 3-digit code), not a country code. The country (calling) code for the United States is +1. So a full 640 number written for international dialing looks like +1 640 followed by the 7-digit local number.

Area Code 640

Cities in area code 640

Other New Jersey area codes

Nearby area codes