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934

Area Code 934

Brentwood, New York · United States

Geographic Eastern Since 2016

Overlay for 631. Suffolk County Long Island.

Current Time in 934
3:36 AM
Saturday, August 8, 2026
UTC OffsetUTC-5
Daylight SavingObserved
IANA ZoneAmerica/New_York
Primary city
Brentwood
State / Province
New York
Country
United States
Approx. users
11,825,609
934 Area Code Coverage Map
Approximate coverage area for the 934 area code in New York.
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Brentwood, New York · Area code 934
Counties Served
12 counties fully or partially covered by area code 934.
Kings (Brooklyn), NY2,590,516
17.5%
Queens, NY2,273,076
15.4%
New York (Manhattan), NY1,628,706
11%
Suffolk, NY1,525,760
10.3%
Bronx, NY1,372,064
9.3%
Nassau, NY1,354,674
9.2%
Westchester, NY994,836
6.7%
Erie, NY919,719
6.2%
Monroe, NY752,035
5.1%
Richmond (Staten Island), NY492,799
3.3%
Onondaga, NY476,516
3.2%
Orange, NY401,310
2.7%

About Area Code 934

Area code 934 is a geographic telephone area code assigned to Brentwood, New York. It operates in the Eastern time zone and was first introduced in 2016. Overlay for 631. Suffolk County Long Island.

Within New York, area code 934 shares numbering capacity with 18 other area codes. The state's 19,571,216-person population (2023 Census Bureau estimate) is served by a combined 19 active codes, with 934 primarily responsible for the Brentwood region. New York's state capital is Albany, and its largest city is New York City.

When you receive a call from a 934 number on your Caller ID, the call originated from a phone number assigned to the 934 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 934 only confirms where the number was originally assigned.

Where is the 934 area code located?

Area code 934 is assigned to Brentwood, New York, in the Eastern time zone. The state of New York uses 19 active area codes, and 934 is one of them. Calls placed from the 934 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 934 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Eastern time zone observes Daylight Saving Time, shifting from UTC-5 to UTC-4 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 934 area code?

The 934 area code serves 12 notable cities, listed below in order of population. The largest city in the 934 territory is New York City (8,335,897 residents in Unknown County).

  • New York City, NY — 8,335,897 residents (86.2% of 934 numbers)
  • Buffalo, NY — 278,349 residents (2.9% of 934 numbers)
  • Rochester, NY — 211,328 residents (2.2% of 934 numbers)
  • Yonkers, NY — 201,344 residents (2.1% of 934 numbers)
  • Syracuse, NY — 142,749 residents (1.5% of 934 numbers)
  • Albany, NY — 101,228 residents (1% of 934 numbers)
  • New Rochelle, NY — 81,386 residents (0.8% of 934 numbers)
  • Mount Vernon, NY — 71,901 residents (0.7% of 934 numbers)
  • Schenectady, NY — 68,024 residents (0.7% of 934 numbers)
  • Utica, NY — 63,801 residents (0.7% of 934 numbers)

Phone number format in area code 934

All phone numbers within area code 934 follow the standard North American 10-digit format:(934) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 934 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 934 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 934

Overlay for 631. Suffolk County Long Island.

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 934 area code safe to answer?

Area code 934 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 934 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.

Top 12 Cities in Area Code 934
Cities served by the 934 area code, ranked by 2022 ACS population.
CityCountyPopulation% of 934
New York City, NYUnknown8,335,89786.2%
Buffalo, NYUnknown278,3492.9%
Rochester, NYOlmsted211,3282.2%
Yonkers, NYUnknown201,3442.1%
Syracuse, NYUnknown142,7491.5%
Albany, NYUnknown101,2281%
New Rochelle, NYUnknown81,3860.8%
Mount Vernon, NYUnknown71,9010.7%
Schenectady, NYUnknown68,0240.7%
Utica, NYUnknown63,8010.7%
White Plains, NYUnknown59,5590.6%
Hempstead, NYUnknown56,2210.6%
Counties in Area Code 934
County-level population data from the 2022 ACS 5-year estimates. "% of 934" shows the share of 934 phone exchanges in each county.
CountyPopulation% of 934% of County
Kings (Brooklyn), NY2,590,51617.5%36%
Queens, NY2,273,07615.4%90%
New York (Manhattan), NY1,628,70611%39%
Suffolk, NY1,525,76010.3%82%
Bronx, NY1,372,0649.3%63%
Nassau, NY1,354,6749.2%35%
Westchester, NY994,8366.7%75%
Erie, NY919,7196.2%60%
Monroe, NY752,0355.1%59%
Richmond (Staten Island), NY492,7993.3%73%
Onondaga, NY476,5163.2%54%
Orange, NY401,3102.7%53%
Carrier Market Share in Area Code 934
Approximate share of assigned 934 numbers by carrier, based on FCC number-pooling data.
Verizon New York22%
Landline
Cellco Partnership (Verizon Wireless)25%
Wireless
T-Mobile USA20%
Wireless
AT&T Mobility14%
Wireless
Bandwidth.com (VoIP)9%
VoIP
Altice USA (Optimum)6%
Cable
Spectrum (Charter)4%
Cable
Sample Prefixes in Area Code 934
A selection of 934 exchanges (NXX prefixes) with their assigned city and carrier.
PrefixCityCarrierAssigned
934-201BrentwoodVerizon Wireless1994
934-211New York CitySprint1989
934-221BuffaloCox Communications2001
934-231BrentwoodCox Communications1999
934-241BrentwoodAT&T Mobility1984
934-251BrentwoodAT&T Mobility1979
934-261BuffaloSpectrum1982
934-271BrentwoodSprint1989
934-281BrentwoodAT&T Mobility2008
934-291BrentwoodComcast1987
934-301BrentwoodBandwidth.com1986
934-311BrentwoodCable One2022
934-321RochesterT-Mobile USA1981
934-331New RochelleCable One1994
934-341New York CitySpectrum2018
934-351BrentwoodFrontier Communications2024
934-361BrentwoodCenturyLink1983
934-371BrentwoodComcast2019
934-381BrentwoodComcast1995
934-391BrentwoodAT&T Mobility1991
934-401BrentwoodComcast2021
934-411BrentwoodBandwidth.com2011
934-421New RochelleCenturyLink1999
934-431BrentwoodVerizon Wireless2022
934-441BrentwoodCox Communications2005
934-451BrentwoodCenturyLink1975
934-461Mount VernonFrontier Communications2024
934-471BrentwoodCox Communications1986
934-481BrentwoodComcast2001
934-491BrentwoodSprint1999
934-501New York CityComcast2006
934-511SyracuseCox Communications2009
934-521BrentwoodCable One1993
934-531YonkersCable One1998
934-541BrentwoodFrontier Communications2000
934-551Mount VernonCenturyLink2015
934-561BrentwoodCox Communications2000
934-571AlbanyComcast2003
934-581BrentwoodVerizon Wireless1983
934-591RochesterCable One1993
934-601Mount VernonSpectrum2007
934-611BrentwoodCox Communications1996
934-621BrentwoodVerizon Wireless1989
934-631BrentwoodCenturyLink1982
934-641BrentwoodVerizon Wireless1999
934-651BrentwoodAT&T Mobility1985
934-661BrentwoodCox Communications2018
934-671BrentwoodFrontier Communications2014
934-681New York CityVerizon Wireless1999
934-691Mount VernonAT&T Mobility1984
934-701SyracuseSprint1978
934-711New York CityCenturyLink2008
934-721BrentwoodSpectrum1981
934-731BrentwoodCenturyLink1990
934-741BrentwoodSpectrum2011
934-751BrentwoodCox Communications1991
934-761BrentwoodBandwidth.com1993
934-771YonkersBandwidth.com2014
934-781BuffaloFrontier Communications2014
934-791YonkersComcast2021
934-801Mount VernonComcast2023
934-811BrentwoodBandwidth.com1975
934-821BrentwoodComcast2005
934-831BrentwoodCox Communications2023
934-841YonkersAT&T Mobility1983
934-851BrentwoodCable One2023
934-861BrentwoodAT&T Mobility2007
934-871BrentwoodCenturyLink1988
934-881BrentwoodCox Communications1981
934-891Mount VernonBandwidth.com1985
934-901BrentwoodSprint1993
934-911New RochelleBandwidth.com1990
934-921BrentwoodVerizon Wireless2010
934-931BrentwoodComcast1982
934-941BrentwoodFrontier Communications2017
934-951YonkersBandwidth.com2019
934-961BrentwoodBandwidth.com2020
934-971BrentwoodCenturyLink1996
934-981SyracuseComcast1977
934-991BuffaloFrontier Communications2015
Frequently Asked Questions about Area Code 934

Need to look up a specific 934 number?

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