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Area Code Info / New York / 631
631
New York IslipGeographic

Area Code 631

Islip, New York

Browse Numbers in This Area Code
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9,712
Available Numbers
🏙️
10
Cities Covered
🕐
New York
Timezone
📋
10-digit
Dialing Rules
Coverage Area

631 Cities and regions covered

New York · NY

Major Cities

Huntington Islip Brookhaven Smithtown Babylon Bay Shore Brentwood Central Islip Commack Deer Park
In Service 1999-01-01
Status Active
Area Code History

631

631区号于1999年从516区号拆分而来，覆盖纽约州长岛萨福克县。

Dialing Rules

631

10-digit

When dialing 631 area code numbers, follow these rules:

  • Local calls require full 10-digit dialing (area code + 7-digit number)
  • Long-distance calls require 1 + area code + 7-digit number
Why 631 is Valuable for Business

631 · Islip

The 631 area code covers Islip and surrounding areas, making it one of the most commercially valuable area codes in New York. Owning a premium 631 number enhances your business image and customer trust.

Premium Numbers

631 Premium numbers in this area code

(631) 975-2999
3连号Featured
Islip, NY
$399.00
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(631) 975-2888
3连号Featured
Islip, NY
$399.00
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(631) 975-2777
3连号Featured
Islip, NY
$399.00
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(631) 953-2777
3连号Featured
Islip, NY
$399.00
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(631) 887-3777
3连号Featured
Islip, NY
$399.00
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(631) 865-3888
3连号Featured
Islip, NY
$399.00
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(631) 533-0777
3连号Featured
Islip, NY
$399.00
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(631) 602-0777
3连号Featured
Islip, NY
$399.00
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(631) 605-8666
3连号Featured
Islip, NY
$299.00
View Details
(631) 616-9666
3连号Featured
Islip, NY
$299.00
View Details
(631) 625-9777
3连号Featured
Islip, NY
$399.00
View Details
(631) 625-9888
3连号Featured
Islip, NY
$399.00
View Details
(631) 709-8666
3连号Featured
Islip, NY
$399.00
View Details
(631) 709-8777
3连号Featured
Islip, NY
$399.00
View Details
(631) 709-8999
3连号Featured
Islip, NY
$399.00
View Details
(631) 771-0666
3连号Featured
Islip, NY
$399.00
View Details
(631) 800-3999
3连号Featured
Islip, NY
$399.00
View Details
(631) 825-0666
3连号Featured
Islip, NY
$399.00
View Details
(631) 825-0777
3连号Featured
Islip, NY
$399.00
View Details
(631) 855-0999
3连号Featured
Islip, NY
$399.00
View Details
(631) 986-6936
-25%
Islip, NY
$299.00 $399.00
View Details
(631) 986-6949
-25%
Islip, NY
$299.00 $399.00
View Details
(631) 986-6937
-25%
Islip, NY
$299.00 $399.00
View Details
(631) 986-6948
-25%
Islip, NY
$299.00 $399.00
View Details
View All 631 Numbers
FAQ

631 FAQ

What state is the 631 area code in?
The 631 area code is in New York (NY), primarily covering Islip and surrounding areas.
How do I get a premium 631 area code number?
You can search and buy premium 631 numbers on GreatNumber. We offer one-time payment with lifetime ownership — no monthly fees or hidden charges. We provide full porting assistance after purchase.
Can I port a 631 number to another carrier?
Yes, all numbers purchased on GreatNumber can be ported to any carrier of your choice (T-Mobile, AT&T, Verizon, etc.). Porting typically takes 3-14 business days, and we provide full bilingual support.
Related Area Codes

Other area codes related to 631

212 New York New York 315 Syracuse New York 332 New York New York 347 New York New York 516 Hempstead New York 518 Albany New York

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