🇺🇸 United States · New York

Area code 631

Area code 631 is a telephone area code in New York, United States, covering Deer Park, Bay Shore, Lindenhurst, Farmingdale, Amityville, Commack and more. Local time is UTC−5 (UTC−4 in summer). Numbers look like (631) 234-5678, or +1 631 234 5678 from abroad.

State: New York
Time zone: New York UTC−5 (UTC−4 in summer)
Local time now: –
Dial from abroad: +1 631

Places in area code 631

Cities and towns with telephone exchanges in the 631 area code, most exchanges first.

Deer Park
Bay Shore
Lindenhurst
Farmingdale
Amityville
Commack
Southampton
Riverhead
East Hampton
Smithtown
Patchogue
East Northport
Kings Park
Huntington
Hampton Bays
Northport
Amagansett
Brentwood
Mattituck
Blue Point
West Islip
Melville
Bayport
Greenport

How to dial area code 631

Calling from	You dial
Inside the 631 area	631 234 5678 (10 digits)
Elsewhere in the US & Canada	1 631 234 5678
Any mobile phone, anywhere	+1 631 234 5678
UK, Europe, India and most countries	00 1 631 234 5678
Australia	0011 1 631 234 5678

Area code 631: FAQ

Where is area code 631?

Area code 631 is in New York, United States and serves Deer Park, Bay Shore, Lindenhurst, Farmingdale, Amityville, Commack. and other places

What time zone is area code 631 in?

Area code 631 is in the America/New_York time zone (UTC−5 (UTC−4 in summer)).

How do I call a 631 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 631 and the seven-digit number. Example: +1 631 234 5678.

Is a call from area code 631 a scam?

Area code 631 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 631 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/+16312345678

{
  "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"
}