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631 Area Code 🌍☎️

Area Code Profile · New York

The 631 area code is located in the state of New York and covers 157 cities, serving a total population of approximately 1,492,316. Major cities covered by the 631 area code include Brentwood, West Babylon, Coram, Commack, Central Islip (which represents the most populated areas). There are a total of 779 telephone prefix exchanges in this area code, which support an estimated 7,790,000 active or assignable phone numbers. These prefix lines are operated by 42 distinct carriers, with Brentwood as the primary rate center location.

Eastern Time157 Cities779 Prefixes

Reverse Phone Lookup in Brentwood, New York

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (631).

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1

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Provide any 10-digit phone number starting with the (631) area code.

2

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Our system scans public registries, carrier mappings, and spam reports.

3

Reveal Report

Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 631.

37.6 y/oMedian Age
$110,600Median Income
$751,000Median Home Value
1,492,316Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 631.

Did you receive an unwanted call from a (631) phone number?

Help the community identify spammers by filing a comment.

(631) 824-9529May 16, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details
(631) 837-9546May 20, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details
(631) 850-9563May 19, 2026Political
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
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(631) 863-9580May 18, 2026Scam / Fraud
Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!
See Details

Cities in the 631 Area Code

The most populous cities in area code 631 are: Brentwood (60,664), West Babylon (43,213), Coram (39,113), Commack (36,124), and Central Islip (34,450).

Other cities in the 631 area code include:

Huntington Station, Centereach, West Islip, Shirley, Deer Park, Lindenhurst, Holbrook, Dix Hills, Smithtown, Bay Shore, Medford, Copiague, East Patchogue, Hauppauge, East Northport, Lake Ronkonkoma, Selden, Holtsville, Ronkonkoma, Melville, North Bay Shore, Islip, Huntington, North Amityville, North Babylon.

CityPopulation% in Area Code
Brentwood60,664100%
West Babylon43,213100%
Coram39,113100%
Commack36,124100%
Central Islip34,450100%
Huntington Station33,029100%
Centereach31,578100%
West Islip28,335100%
Shirley27,854100%
Deer Park27,745100%
Lindenhurst27,253100%
Holbrook27,195100%
Dix Hills26,892100%
Smithtown26,470100%
Bay Shore26,337100%
Medford24,142100%
Copiague22,993100%
East Patchogue22,469100%
Hauppauge20,882100%
East Northport20,217100%

Showing top 20 of 157 cities.

What Time Zone is Area Code 631?

Eastern Time Zone

Abbreviation: ET · UTC Offset: UTC-5

The 631 area code lies within the Eastern Time Zone (ET, UTC-5).

Nearby Area Codes

212New York, New York315Syracuse, New York329New City, New York332New York, New York347New York, New York363Hempstead, New York516Hempstead, New York518Albany, New York585Rochester, New York607Binghamton, New York

Phone Prefixes in the 631 Area Code

779 prefixes found · 42 carriers · 54 rate centers

PrefixCarrierRate Center
(631) 200MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYBAYPORT
(631) 201ONVOY, LLC- NYAMITYVILLE
(631) 202ONVOY, LLC- NYRONKONKOMA
(631) 203ONVOY, LLC- NYCENTRAISLP
(631) 204VERIZON NEW YORK, INC.SOUTHAMPTN
(631) 205VERIZON NEW YORK, INC.YAPHANK
(631) 206VERIZON NEW YORK, INC.BAY SHORE
(631) 207VERIZON NEW YORK, INC.PATCHOGUE
(631) 208VERIZON NEW YORK, INC.RIVERHEAD
(631) 209VERIZON NEW YORK, INC.SHOREHAM
(631) 210BROADVIEW NETWORKS, INC. - NYISLIP
(631) 212ONVOY, LLC- NYCOMMACK
(631) 213TC SYSTEMS, INC. - NYMIDLAND
(631) 214CABLEVISION LIGHTPATH, INC. - NYDEER PARK
(631) 215METROPCS, INC.BRENTWOOD
(631) 216VERIZON NEW YORK, INC.STONYBROOK
(631) 217AMERICAN NETWORK, INC.STONYBROOK
(631) 218VERIZON NEW YORK, INC.SAYVILLE
(631) 219CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYBRENTWOOD
(631) 220OMNIPOINT COMMUNICATIONS, INC. - NYBRENTWOOD
(631) 221VERIZON NEW YORK, INC.NASSAUZN09
(631) 223MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYHUNTINGTON
(631) 224VERIZON NEW YORK, INC.ISLIP
(631) 225VERIZON NEW YORK, INC.LINDENHST
(631) 226VERIZON NEW YORK, INC.LINDENHST
(631) 227BROADVIEW NETWORKS, INC. - NYFARMINGDL
(631) 228MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYSHOREHAM
(631) 229MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYAMITYVILLE
(631) 230PEERLESS NETWORK OF NEW YORK, LLC - NYMONTAUK PT
(631) 231VERIZON NEW YORK, INC.BRENTWOOD
(631) 232VERIZON NEW YORK, INC.CENTRAISLP
(631) 233VERIZON NEW YORK, INC.BRENTWOOD
(631) 234VERIZON NEW YORK, INC.CENTRAISLP
(631) 235CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYBRENTWOOD
(631) 236LEVEL 3 COMMUNICATIONS, LLC - NYBRENTWOOD
(631) 237CABLEVISION LIGHTPATH, INC. - NYBRIDGEMPTN
(631) 238CABLEVISION LIGHTPATH, INC. - NYMONTAUK PT
(631) 239TC SYSTEMS, INC. - NYNORTHPORT
(631) 240LEVEL 3 COMMUNICATIONS, LLC - NYSMITHTOWN
(631) 241CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYBRENTWOOD
(631) 242VERIZON NEW YORK, INC.DEER PARK
(631) 243VERIZON NEW YORK, INC.DEER PARK
(631) 244VERIZON NEW YORK, INC.SAYVILLE
(631) 245NEW CINGULAR WIRELESS PCS, LLC - DCBRENTWOOD
(631) 246VERIZON NEW YORK, INC.STONYBROOK
(631) 247TC SYSTEMS, INC. - NYFARMINGDL
(631) 248PEERLESS NETWORK OF NEW YORK, LLC - NYE HAMPTON
(631) 249VERIZON NEW YORK, INC.FARMINGDL
(631) 250CABLEVISION LIGHTPATH, INC. - NYST JAMES
(631) 251LEVEL 3 COMMUNICATIONS, LLC - NYSAG HARBOR
(631) 252CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYBRENTWOOD
(631) 253VERIZON NEW YORK, INC.MIDLAND
(631) 254VERIZON NEW YORK, INC.DEER PARK
(631) 255NEW CINGULAR WIRELESS PCS, LLC - DCRIVERHEAD
(631) 256TC SYSTEMS, INC. - NYSAYVILLE
(631) 257CABLEVISION LIGHTPATH, INC. - NYSMITHTOWN
(631) 258CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYBRENTWOOD
(631) 259VERIZON NEW YORK, INC.SOUTHAMPTN
(631) 260CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYBRENTWOOD
(631) 261VERIZON NEW YORK, INC.NORTHPORT
(631) 262VERIZON NEW YORK, INC.NORTHPORT
(631) 263CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NYSMITHTOWN
(631) 264VERIZON NEW YORK, INC.AMITYVILLE
(631) 265VERIZON NEW YORK, INC.SMITHTOWN
(631) 266VERIZON NEW YORK, INC.W COMMACK
(631) 267VERIZON NEW YORK, INC.AMAGANSETT
(631) 268PEERLESS NETWORK OF NEW YORK, LLC - NYSOUTHAMPTN
(631) 269VERIZON NEW YORK, INC.KINGS PARK
(631) 270MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYFARMINGDL
(631) 271VERIZON NEW YORK, INC.HUNTINGTON
(631) 272VERIZON NEW YORK, INC.CENTRAISLP
(631) 273VERIZON NEW YORK, INC.BRENTWOOD
(631) 274VERIZON NEW YORK, INC.DEER PARK
(631) 275OMNIPOINT COMMUNICATIONS, INC. - NYBRENTWOOD
(631) 276METROPCS, INC.HAMPTNBAYS
(631) 277VERIZON NEW YORK, INC.ISLIP
(631) 278METROPCS, INC.BRENTWOOD
(631) 279USA MOBILITY WIRELESS, INC.BRENTWOOD
(631) 280USA MOBILITY WIRELESS, INC.BRENTWOOD
(631) 281VERIZON NEW YORK, INC.ATLANTIC
(631) 282VERIZON NEW YORK, INC.YAPHANK
(631) 283VERIZON NEW YORK, INC.SOUTHAMPTN
(631) 284VERIZON NEW YORK, INC.RIVERHEAD
(631) 285VERIZON NEW YORK, INC.RONKONKOMA
(631) 286VERIZON NEW YORK, INC.BELLPORT
(631) 287VERIZON NEW YORK, INC.SOUTHAMPTN
(631) 288VERIZON NEW YORK, INC.WESTHAMPTN
(631) 289VERIZON NEW YORK, INC.PATCHOGUE
(631) 290OMNIPOINT COMMUNICATIONS, INC. - NYBABYLON
(631) 291METROPCS, INC.BRENTWOOD
(631) 292LEVEL 3 COMMUNICATIONS, LLC - NYKINGS PARK
(631) 293VERIZON NEW YORK, INC.FARMINGDL
(631) 294OMNIPOINT COMMUNICATIONS, INC. - NYYAPHANK
(631) 295GLOBAL CROSSING LOCAL SERVICES, INC. - NYYAPHANK
(631) 296CABLEVISION LIGHTPATH, INC. - NYBRIDGEMPTN
(631) 297PAETEC COMMUNICATIONS, INC. - NYCENTRAISLP
(631) 298VERIZON NEW YORK, INC.MATTITUCK
(631) 299BROADVIEW NETWORKS, INC. - NYBRENTWOOD
(631) 300VERIZON NEW YORK, INC.BRENTWOOD
(631) 301TELNYX LLCFARMINGDL

Showing first 100 of 779 prefixes.

Frequently Asked Questions

Where is area code 631?
Area code 631 is located in New York, covering cities including Brentwood, West Babylon, Coram.
What time zone is area code 631?
Area code 631 is in the Eastern Time Zone (ET, UTC-5).
What state is area code 631?
Area code 631 is in New York.