Area Code 631 at a Glance
| Area code | 631 |
| Region | New York |
| Country | United States |
| Primary timezone | America/New_York |
| Dialing format | +1 (631) NXX-XXXX |
Cities and Places Using Area Code 631
Based on prefix-level carrier data, area code 631 covers places including:
- Deer Park, NY
- Lindenhurst, NY
- Bay Shore, NY
- Amityville, NY
- Farmingdale, NY
- Commack, NY
- East Hampton, NY
- Riverhead, NY
- Southampton, NY
- Patchogue, NY
- Smithtown, NY
- Kings Park, NY
Frequently Asked Questions
Where is area code 631?
Area code 631 serves New York, United States.
Who is calling me from area code 631?
A call from area code 631 most likely originates from New York, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 631 number?
Within North America: dial 1-631 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 631 and the number.