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.
| Item | Value |
|---|---|
| State | New York |
| In service since | July 16, 2016 |
| Assigned by NANPA | December 17, 2014 |
| Overlay | Yes, with 631 |
| Parent area code (NANPA) | 631 |
| Time zone | Eastern |
| Local calls within the code | ten digits (area code plus number) |
| Assigned central office codes | 131 |
| Rate centers with codes | 46 |
| Carriers holding codes | 23 |
| Pooled codes | 130 |
| Codes assigned since 2020 | 116 |
| Relief planning in progress | No |
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.
| Place | Population (2024) | Area codes | Exchanges | Carriers |
|---|---|---|---|---|
| Islip, NY | 339,170 | 631, 934 | 13 | 9 |
| Babylon, NY | 218,566 | 631, 934 | 34 | 15 |
| Huntington, NY | 204,706 | 631, 934 | 38 | 10 |
| Smithtown, NY | 116,228 | 631, 934 | 24 | 8 |
| Southampton, NY | 70,646 | 631, 934 | 15 | 9 |
| Riverhead, NY | 36,067 | 631, 934 | 56 | 18 |
| East Hampton, NY | 29,090 | 631, 934 | 11 | 7 |
| Lindenhurst, NY | 27,160 | 631, 934 | 17 | 11 |
| Southold, NY | 24,083 | 631, 934 | 5 | 5 |
| Patchogue, NY | 12,447 | 631, 934 | 32 | 13 |
| Amityville, NY | 9,718 | 516, 631, 934 | 46 | 16 |
| Farmingdale, NY | 8,553 | 363, 516, 631, 934 | 73 | 11 |
| Port Jefferson, NY | 8,189 | 631, 934 | 17 | 8 |
| Deerpark, NY | 7,397 | 631, 934 | 30 | 13 |
| Northport, NY | 7,317 | 631, 934 | 14 | 8 |
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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Fractel, LLC | 23 | 18% |
| Omnipoint Communications, INC. - NY | 21 | 16% |
| Onvoy, Llc- NY | 20 | 15% |
| New Cingular Wireless PCS, LLC - DC | 12 | 9.2% |
| Cablevision Lightpath, INC. - NY | 7 | 5.3% |
| Evolve Cellular, INC. | 7 | 5.3% |
| Commio, LLC | 6 | 4.6% |
| Ton80 Communications, LLC | 5 | 3.8% |
| Peering Hub, INC. - NY | 4 | 3.1% |
| Onvoy Spectrum, LLC | 4 | 3.1% |
| Bandwidth.com CLEC, LLC - NY | 4 | 3.1% |
| Cellco Partnership d/b/a Verizon Wireless - NY | 4 | 3.1% |
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 center (NANPA) | Place | Codes |
|---|---|---|
| RIVERHEAD | Riverhead, NY | 16 |
| AMITYVILLE | Amityville, NY | 12 |
| BRENTWOOD | not matched | 8 |
| PATCHOGUE | Patchogue, NY | 6 |
| BABYLON | Babylon, NY | 6 |
| YAPHANK | not matched | 5 |
| HUNTINGTON | Huntington, NY | 4 |
| BELLPORT | Bellport, NY | 4 |
| CENTRAISLP | not matched | 4 |
| SMITHTOWN | Smithtown, NY | 4 |
| RONKONKOMA | not matched | 4 |
| DEER PARK | Deerpark, NY | 3 |
| SOUTHAMPTN | Southampton, NY | 3 |
| ST JAMES | not matched | 2 |
| WESTHAMPTN | Westhampton Beach, NY | 2 |
| E HAMPTON | East Hampton, NY | 2 |
| PECONIC | not matched | 2 |
| STONYBROOK | not matched | 2 |
| W COMMACK | not matched | 2 |
| WATER MILL | not matched | 2 |
| SHOREHAM | Shoreham, NY | 2 |
| ATLANTIC | Atlantic Beach, NY | 2 |
| PTJEFFERSN | Port Jefferson, NY | 2 |
| AMAGANSETT | not matched | 2 |
| BAYPORT | not matched | 2 |
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.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 13 | 10% |
| 2020s | 116 | 90% |
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.