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Area Codes/631
New York State flag631 area code

Get a local phone number in Brentwood, NY

Biggest city

Brentwood

StateNew York
Major Cities

Brentwood, West Babylon, Coram, Commack, Central Islip, Huntington Station, Centereach, West Islip, Deer Park, Lindenhurst, Holbrook, Smithtown...

Timezone

Eastern (GMT -5)

Zip codes

11717•11719

Population

60,664

Unemployment

4.30%

Avg. Income

$226,727

Nearby Area Codes
203

Last updated: October 18, 2025

631 • Brentwood

Starting at

$7/mo

Get started

631 area code summary

The 631 area code is an important part of New York's telecommunications network, serving a specific region of the state and playing a crucial role in connecting its communities.

Serving Suffolk County on Long Island: Established in 1999 as a split from the 516 area code, the 631 area code covers Suffolk County on Long Island, New York. This includes towns and cities such as Huntington, Southampton, and Riverhead. The 631 area code is essential for linking various communities within this region, facilitating communication across a mix of suburban areas, beachfront communities, and rural landscapes. Supporting a Diverse and Dynamic Population: The area served by the 631 area code is known for its diverse economy, including sectors like technology, healthcare, and tourism. Suffolk County boasts a range of attractions, from the Hamptons' upscale beach communities to the agricultural areas on the North Fork. The 631 area code supports the high volume of communication required by these industries and the region's residents. Adapting to Population Growth and Technological Changes: The introduction of the 631 area code was a response to the growing need for phone numbers in Suffolk County. As the region continues to grow and evolve, the telecommunications infrastructure, including the 631 area code, plays a crucial role in supporting its residents and businesses.

The 631 area code represents the unique characteristics of Suffolk County on Long Island, playing a crucial role in connecting its suburban, rural, and beachfront communities, and supporting the region's economic and social activities.

Fun fact 💡

Smithtown’s Bull Statue, since 1941, is a 631 quirky landmark.

🏢 First Phone Company

New York Telephone Company (later Verizon)

📲 Get a 631 number: $7/mo
Customer Stories

What our users are saying

2x
More delivery orders
My floral shop needed a dedicated delivery line. Phone2 gave us a local number that customers trust, and my drivers can take orders from anywhere. Game changer!
PG

Patricia Gayle

Small Business Owner

Why Phone2?

More than just a 631 number

Get a complete business phone system with features that help you never miss a customer.

40%
fewer missed calls

Shared Team Numbers

Your whole team shares one business number. When someone is busy, another teammate answers. No more missed opportunities.

24/7
call coverage

Smart Call Routing

Route calls by schedule, team, or IVR menu. After-hours calls go to voicemail or forward to on-call staff.

2+ hrs
saved per week

AI Transcription

Every voicemail and call automatically transcribed. Search conversations, catch details you missed, skip the playback.

50%
faster follow-ups

Unified Inbox

Calls, texts, and voicemails in one thread per contact. Your whole team sees the full conversation history.

3
platforms supported

Works Everywhere

iOS, Android, and web apps. Make calls from your laptop, take texts on your phone. Your number travels with you.

2 min
setup time

Instant Activation

Pick a number, download the app, start calling. No hardware, no technicians, no waiting. Works immediately.

Ready to get your 631 number?

Get a local business phone number in minutes. No contracts, cancel anytime.

Get a 631 numberView plans

Starting at $7/month • 30-day refund guarantee • Cancel anytime

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