🇺🇸 United States · New Jersey

Area code 640

Area code 640 is a telephone area code in New Jersey, United States. Local time is UTC−5 (UTC−4 in summer). Numbers look like (640) 234-5678, or +1 640 234 5678 from abroad.

State: New Jersey
Time zone: New York UTC−5 (UTC−4 in summer)
Local time now: –
Dial from abroad: +1 640

How to dial area code 640

Calling from	You dial
Inside the 640 area	640 234 5678 (10 digits)
Elsewhere in the US & Canada	1 640 234 5678
Any mobile phone, anywhere	+1 640 234 5678
UK, Europe, India and most countries	00 1 640 234 5678
Australia	0011 1 640 234 5678

Other area codes in New Jersey

201 Jersey City, Hackensack 551 New Jersey 609 Princeton, Trenton 732 Toms River, Edison 848 New Jersey 856 Cherry Hill, Camden 862 Fairfield, East Orange 908 Elizabeth, Union 973 Newark, Paterson

Area code 640: FAQ

Where is area code 640?

Area code 640 is in New Jersey, United States.

What time zone is area code 640 in?

Area code 640 is in the America/New_York time zone (UTC−5 (UTC−4 in summer)).

How do I call a 640 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 640 and the seven-digit number. Example: +1 640 234 5678.

Is a call from area code 640 a scam?

Area code 640 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 640 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+16402345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}