Area code
934
934 is a United States area code. Under the North American Numbering Plan it belongs to New York, which has 23 area codes in total.
Validate a number in 934
Paste a full number and the tool checks it against the numbering plan. It returns the standard formats, the line type the plan assigns and the area code region.
Digits with or without punctuation work. Numbers outside the US are read with the +country code.
Area code 934 at a glance
NANPA lists 128 central office codes (prefixes) in use in area code 934, held by 23 holders across 46 rate centers.
| Fact | Value |
|---|---|
| In service since | 2016-07-16 |
| Time zone | Eastern (E) |
| Assigned overlays | 631 (1999-11-01) |
| Prefixes in use | 128 |
| Pooled prefixes | 127 (99%) |
| Rate centers | 46 |
| Companies holding prefixes | 23 |
| Assignment dates on file | 2016-05-20 to 2026-07-22 (126 prefixes) |
| ZIP codes in its places | 29 |
Rate centers in area code 934
| Rate center | Prefixes | Share |
|---|---|---|
| RIVERHEAD | 14 | 11% |
| AMITYVILLE | 12 | 9% |
| BRENTWOOD | 8 | 6% |
| BABYLON | 6 | 5% |
| PATCHOGUE | 5 | 4% |
| YAPHANK | 5 | 4% |
| BELLPORT | 4 | 3% |
| CENTRAISLP | 4 | 3% |
| 38 other rate centers | 70 | 55% |
Who holds the prefixes in 934
Fractel holds the most prefixes, 23 (18%). 99% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
| Holder | Prefixes | Share |
|---|---|---|
| Fractel | 23 | 18% |
| Omnipoint Communications | 20 | 16% |
| Onvoy, Llc- Ny | 20 | 16% |
| New Cingular Wireless PCS | 10 | 8% |
| Cablevision Lightpath | 7 | 5% |
| Evolve Cellular | 7 | 5% |
| 17 other carriers | 41 | 32% |
A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. Find which carrier a number is on, or browse the prefix holders.
History of area code 934
- 1999-11-01 Area code 631, named as the parent of 934 in the NANPA report, was in service.
- 2016-07-16 Area code 934 went into service.
Area codes nearest to 934
Distance is measured between the centers of the ZIP code places each area code serves, so it is a rough guide.
Overlay codes in the same area
ZIP codes in area code 934
29 ZIP codes fall in places that have a rate center in this area code.
| Place | ZIP codes |
|---|---|
| Stony Brook, NY | 2 |
| Amagansett, NY | 1 |
| Amityville, NY | 1 |
A ZIP code and an area code are unrelated systems. A ZIP code can sit in more than one area code, and an area code spans many ZIP codes.
Complaints on file for 934 numbers
257 FCC complaints are on file for 243 numbers in 934, most often filed as "Unwanted Calls". These are unverified consumer reports.
| Year of latest complaint | Numbers |
|---|---|
| 2023 | 17 |
| 2024 | 27 |
| 2025 | 98 |
Other area codes in New York
New York is one state with 23 area codes in the NANPA table. 934 is one of them.
Next to 934 in the numbering table
These are the codes just before and after 934 when all are sorted by number. They are neighbours on the list, not necessarily on the map.
What the area code does and does not tell you
A number that starts with 934 was first assigned in New York. That is a fact about where the number began, and it is a useful hint when you check a form entry, for example a billing address in New York next to a 934 phone number.
It does not show where the person is today. A number stays with its owner after a move or a change of provider (number portability), and mobile numbers travel with the handset. The area code also cannot tell you whether the line is active, who the carrier is, or whether the number is mobile or fixed: the plan shares those ranges. Read more about the area code, the numbering plan and line type.
Check numbers in bulk with the API
| Product | Credits | Docs |
|---|---|---|
| Phone Numbering-Plan Validation | 1 credit per valid number | API docs |
| Phone Intelligence (carrier and line status) | 1 credit per check (invalid numbers outside the US and Canada are free) | Product page |
Questions about area code 934
Where is area code 934?
NANPA assigns area code 934 to New York, United States.
In which state does area code 934 sit?
New York. 934 is one of 23 area codes the NANPA table assigns to the state.
Which places does area code 934 cover?
The places with the most ZIP codes among the rate centers in 934 are Stony Brook, NY, Amagansett, NY and Amityville, NY. The rate center list on this page shows all of them.
Who owns area code 934?
NANPA assigns area codes. Within 934, Fractel holds the most prefixes, 23 prefixes or 18%.
Which time zone does 934 use?
The NANPA NPA report lists the time zone for 934 as Eastern (E).
What year did 934 enter service?
The NANPA NPA report gives an in-service date of 2016-07-16, so 934 has been in use since 2016.
Does area code 934 have an overlay?
Yes. 631 (in service 1999-11-01) shares the same area with 934, so numbers from all of them are local to each other.
Which area codes are nearest to 934?
The area codes closest to 934, measured between the centers of the ZIP code places they serve, are 516 (about 14 miles), 203 (about 31 miles), 475 (about 31 miles), 551 (about 56 miles) and 914 (about 58 miles).
How many prefixes does area code 934 have?
NANPA's report dated 2026-10-17 lists 128 prefixes in service in 934, spread over 46 rate centers and 23 holders.
Are there complaints about 934 numbers?
The FCC data on file has 257 complaints for 243 numbers in 934. They are unverified consumer reports. A number with no complaints on file is not proven safe.
Area code assignments: North American Numbering Plan Administrator NPA report, file dated 10/17/2026, retrieved 2026-10-17. Source file. New codes are assigned several times a year. Prefixes, rate centers, holders, time zone, in-service date and overlays: NANPA central office code report dated 2026-10-17 and NPA report dated 2026-10-18. Complaints: FCC consumer complaints open data, fetched 2026-10-17. ZIP code places: Postal code places and coordinates: GeoNames (geonames.org), licensed CC BY 4.0.