A summer rental in Southampton or East Hampton draws calls from many strangers.
List it with a 631 number, take the calls on your own phone and burn the number when the season ends.
Local 631 numbers
Get a 631 phone number for Suffolk County.
Ask for 631 when you create a number on ExpressNumber, and the number you hand out reads as Suffolk County on Long Island, from Huntington to East Hampton. It rings the phone you already carry, and you burn it in one tap.
$0 todayLive in about a minute
This is how you get a 631 number.
- Start your 7 days free and open Create a number.
- Type 631 as the area code and give the number a name.
- Hand it out. Calls ring the phone you already carry, and texts land in your inbox.
- Burn it in one tap when you are done. Calls and texts to it stop at once.
9:41
Your numbers
Summer rental
(631) 555-0126
Forwarding
Used boat
(631) 555-0172
Texts only
Moving quote
(631) 555-0108
Blocked
People ask for 631 when the search is in Suffolk County.
A used car or a boat for sale in Patchogue brings texts from buyers all week.
Post a 631 number with the photos, set it to Texts only and keep your own number off the ad.
A landscaping or a moving quote in Huntington ends in follow-up calls.
Give each company its own 631 number. Block the ones you did not choose.
This is where a 631 number is from.
Area code 631 covers all of Suffolk County, the easternmost part of Long Island.
The New York Public Service Commission names the towns of Smithtown, Islip, Riverhead, Southampton and East Hampton in its orders on the code. 934 is laid over the same area. Nassau County, to the west, uses 516.
Suffolk County, Long Island, NY
Area code 631 and the codes around it, oldest first.
1951
516
Split from
1999
631
This code
2016
934
Shares the area
- Huntington
- Brentwood
- Islip
- Smithtown
- Riverhead
- Patchogue
- Babylon
- Bay Shore
- Port Jefferson
- Commack
- Southampton
- East Hampton
These are the facts about area code 631.
From the public records of the body that runs US phone numbering, read October 21, 2026.
- Place
- Suffolk County, Long Island, New York
- In service since
- 1999
- Local calls are dialed with
- Ten digits
- Shares its area with
- 934 (2016)
- Split from
- 516 (1951)
631 was split from 516 and entered service on November 1, 1999. Nassau County kept 516, and Suffolk County took 631, with the new boundary running along the county line.
934 was laid over 631 and entered service on July 16, 2016. Ten-digit dialing became mandatory for local calls on June 18, 2016.
Try it free for 7 days.
Then pick the plan that fits how many numbers you hand out.
Basic
7 days free$9.99/mo
- 5 numbers, one for each site, store or dealer
- 100 forwarded minutes a month
- Burn a number in one tap
- Extra numbers $1 a month each
Pro
7 days free$29.99/mo
- 100 numbers
- 1,000 forwarded minutes a month
- A number per vendor, client or listing
- Extra numbers 50¢ a month each
$0 today. Monthly plans, cancel any time.
People ask these questions about getting a 631 number.
More in the full FAQ.
Create a number in your dashboard, type 631 as the area code and give it a name, such as Summer rental. It is live in about a minute. You do not need to live in New York: calls ring the phone you already carry.
Yes, for taking calls and texts. A mover, a tutor or a landscaper in Brentwood can put a 631 number on the flyer and the website, take the calls on their own phone and burn the number when the job is done.
Yes. The 631 area takes in Huntington, Brentwood, Islip, Smithtown, Riverhead and Patchogue. 934 numbers cover the same area.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.
More area codes
Every fact on this page comes from public numbering records.
The state, the dates and the related codes are rows of the North American Numbering Plan Administrator's area code database. The places are from its planning letters and the state’s own pages. Read October 21, 2026.
- North American Numbering Plan Administrator, area code database
- NANPA planning letter PL-184, July 22, 1999
- NANPA planning letter PL-476R1 on the 934 overlay of 631, February 19, 2015
- New York State Public Service Commission, order adopting an overlay for the 631 area code, December 17, 2014
- New York State Public Service Commission, mandatory 10-digit dialing in Suffolk County, June 6, 2016
Put 631 on a number you can burn.
Hand out a number you can burn. Keep the one your family calls.
Try it free for 7 days