Area code 640: Trenton, New Jersey
Area code 640 is a New Jersey code serving Trenton, Atlantic City and Princeton, on Eastern Time. It overlays 609, so numbers in the same area may start with any of them. From abroad, dial +1 640 and the 7-digit number.
Updated
At a glance
- State
- New Jersey
- Places served
- Trenton, Atlantic City, Princeton
- Time zone
- Eastern TimeUTC−5, UTC−4 in summer
- Overlay codes
- 609Same area, assigned when numbers ran short.
- Country
- United States (+1)
- Number format
- (640) 555-0123+1 640 555 0123 in international format
How to call a 640 number
All +1 numbers are 10 digits: the 3-digit area code and a 7-digit local number.
| Calling from | Dial |
|---|---|
| Inside the US or Canada | 1 640 555 0123 |
| The UK and most of Europe | 00 1 640 555 0123 |
| Australia | 0011 1 640 555 0123 |
| Any mobile | +1 640 555 0123 |
555-0123 is a placeholder; use the real 7-digit number.
Get a (640) number without living there
A callmins US number costs $2.00/month, no setup fee. It rings in your browser or the callmins app anywhere in the world, receives texts, and needs no ID or local address. When you buy, search by area code to look for a 640 number.
Availability changes daily
Popular codes sell out. If there's no 640 number free, try the overlay code 609 or another New Jersey code below. US numbers don't receive WhatsApp codes; use a UK number for that.
Other New Jersey area codes
Questions people ask
Where is area code 640?
Area code 640 is in New Jersey, the United States. It serves Trenton, Atlantic City and Princeton, and shares the same area with 609 (overlay codes).
What time zone is area code 640?
Area code 640 is on Eastern Time (UTC−5, UTC−4 in summer). Where an area straddles a time-zone line, this is the time most of its callers keep.
How do I call a 640 number from abroad?
Dial your exit code, then 1, then 640 and the 7-digit number: 00 1 640 from the UK and most of Europe, or +1 640 from any mobile. Inside the US and Canada, dial 1 640 and the number.
Is a call from area code 640 a scam?
640 is an ordinary geographic area code, not a premium-rate or toll-free one. But caller ID can be faked, so a familiar-looking local code proves nothing about who is calling. Don't share codes or payment details with an unexpected caller.
Can I get a 640 phone number?
You can search callmins for a 640 number when you buy a US number ($2.00/month, no setup fee). Which area codes have numbers free changes daily; if 640 has none, pick a nearby or overlay code such as 609.
Related
A 640 number, in your browser.
$2.00/month, no setup fee. Calls and texts on your laptop or phone, from anywhere.
Area code details are compiled from North American Numbering Plan assignments and list the best-known places served; check NANPA for the full boundary.