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Area code 934

Where 934 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.

State
NY
In service
2016
Assigned codes
131of 800 possible
Carriers
23

Area code 934 at a glance

934 is one of 23 geographic area codes serving New York; NANPA records its in-service date as July 16, 2016. It is an overlay: 934 and 631 cover the same territory, so neighbors on the same street can have different area codes. It is in the Eastern time zone. The places with the most assigned exchanges include Riverhead, Amityville, Patchogue, Babylon, and Huntington. By population, its largest named places are Islip, Babylon, Huntington, Smithtown, and Southampton.

Area code 934: NANPA facts
ItemValue
StateNew York
In service sinceJuly 16, 2016
Assigned by NANPADecember 17, 2014
OverlayYes, with 631
Parent area code (NANPA)631
Time zoneEastern
Local calls within the codeten digits (area code plus number)
Assigned central office codes131
Rate centers with codes46
Carriers holding codes23
Pooled codes130
Codes assigned since 2020116
Relief planning in progressNo

Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.

Where 934 numbers are local

934 holds 1.1% of the 12,049 central office codes assigned in New York, the 19th most of the state's 23 codes. 21 Census places could be matched to rate centers with 934 exchanges; the most populous are Islip (339,000), Babylon (219,000), Huntington (205,000), and Smithtown (116,000). For a storefront or service area inside 934, the place pages show which prefixes are rated local there.

Most populous places with 934 exchanges
PlacePopulation (2024)Area codesExchangesCarriers
Islip, NY339,170631, 934139
Babylon, NY218,566631, 9343415
Huntington, NY204,706631, 9343810
Smithtown, NY116,228631, 934248
Southampton, NY70,646631, 934159
Riverhead, NY36,067631, 9345618
East Hampton, NY29,090631, 934117
Lindenhurst, NY27,160631, 9341711
Southold, NY24,083631, 93455
Patchogue, NY12,447631, 9343213
Amityville, NY9,718516, 631, 9344616
Farmingdale, NY8,553363, 516, 631, 9347311
Port Jefferson, NY8,189631, 934178
Deerpark, NY7,397631, 9343013
Northport, NY7,317631, 934148

Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.

How calls are dialed in 934

According to NANPA's dialing-plan data, local calls within 934 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number). Ten-digit local dialing means the area code is part of how customers save and recognize your number, so print it in full everywhere. NANPA's dialing-plan note for this code reads: "1+10 digit permissible at service provider discretion"

Phone companies in area code 934

23 carriers hold the 131 central office codes assigned in 934. Fractel, LLC has the most, with 23 (18%). 130 of the codes (99%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. Numbers can move between carriers through porting, so a code's holder tells you where the block started, not where every number lives now.

Largest code holders in area code 934
Carrier (NANPA operating company)ExchangesShare
Fractel, LLC2318%
Omnipoint Communications, INC. - NY2116%
Onvoy, Llc- NY2015%
New Cingular Wireless PCS, LLC - DC129.2%
Cablevision Lightpath, INC. - NY75.3%
Evolve Cellular, INC.75.3%
Commio, LLC64.6%
Ton80 Communications, LLC53.8%
Peering Hub, INC. - NY43.1%
Onvoy Spectrum, LLC43.1%
Bandwidth.com CLEC, LLC - NY43.1%
Cellco Partnership d/b/a Verizon Wireless - NY43.1%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Where 934 numbers are rated

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 934 has codes in 46 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.

Rate centers in area code 934 by assigned codes
Rate center (NANPA)PlaceCodes
RIVERHEADRiverhead, NY16
AMITYVILLEAmityville, NY12
BRENTWOODnot matched8
PATCHOGUEPatchogue, NY6
BABYLONBabylon, NY6
YAPHANKnot matched5
HUNTINGTONHuntington, NY4
BELLPORTBellport, NY4
CENTRAISLPnot matched4
SMITHTOWNSmithtown, NY4
RONKONKOMAnot matched4
DEER PARKDeerpark, NY3
SOUTHAMPTNSouthampton, NY3
ST JAMESnot matched2
WESTHAMPTNWesthampton Beach, NY2
E HAMPTONEast Hampton, NY2
PECONICnot matched2
STONYBROOKnot matched2
W COMMACKnot matched2
WATER MILLnot matched2
SHOREHAMShoreham, NY2
ATLANTICAtlantic Beach, NY2
PTJEFFERSNPort Jefferson, NY2
AMAGANSETTnot matched2
BAYPORTnot matched2

Top 25 of 46 rate centers.

934 code assignments over time

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 131 are assigned in 934, 16% of 800. 116 were assigned in 2020 or later.

Area code 934: central office codes by decade assigned
Decade assignedExchangesShare
2010s1310%
2020s11690%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Using area code 934 for business calls

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in area code 934, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

Frequently asked questions

Where is area code 934?

934 is a geographic area code in New York. Places with the most assigned exchanges include Riverhead, Amityville, Patchogue, and Babylon.

What time zone is area code 934 in?

NANPA lists 934 in the Eastern time zone.

When did area code 934 go into service?

NANPA records an in-service date of July 16, 2016. The code was assigned on December 17, 2014.

Is 934 an overlay area code?

Yes. It shares its territory with 631.

Can my business get a 934 phone number?

Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 934 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.