Area Code 934
Area code 934 covers Riverhead and nearby cities including Brentwood, Centereach, Central Islip in New York, in the Eastern Time.
Area code 934 quick facts
| Location | Riverhead, New York |
|---|---|
| Time zone | Eastern Time |
| In service | 2016-07-16 |
| Overlay codes | 631 |
| Nearby codes | 631, 363, 516, 203, 475, 914 |
| Carrier coverage | 127 prefixes; 44% wireless |
| FTC complaint data | 671 complaints across 35 numbers |
| Data current as of | August 2, 2026 |
Is a call from 934 a scam? Who called me from 934?
FTC complaints involving 934 numbers
Numbers shown with area code 934 in the FTC's Do Not Call “Reported Calls” database (recent reporting window). Most common reported reasons: “Other”, “Reducing your debt (credit cards, mortgage, student loans)”, “Dropped call or no message”.
Most-complained 934 numbers:
- (934) 947-9605 — 536 complaints
- (934) 203-6551 — 13 complaints
- (934) 789-6900 — 12 complaints
- (934) 949-9294 — 8 complaints
- (934) 943-7449 — 5 complaints
These are FTC Do Not Call complaints filed about specific numbers shown with this area code — frequently spoofed. The area code itself is not a scam. See the most-reported area codes and the most-reported phone numbers nationwide.
Cities in area code 934
Riverhead, Brentwood, Centereach, Central Islip, Commack, Copiague, Coram, Deer Park, Dix Hills, East Northport, East Patchogue, Hauppauge
Carriers in area code 934
Area code 934 spans 127 prefixes, about 44% wireless. Top carriers: ONVOY, LLC- NY, OMNIPOINT COMMUNICATIONS, INC. - NY, NEW CINGULAR WIRELESS PCS, LLC - DC, ONVOY SPECTRUM, LLC. Look up the carrier and line type for a 934 number.
Other New York area codes
- 212 — New York City
- 315 — Syracuse
- 329 — Kingston
- 332 — New York City
- 347 — New York City
- 363 — Nassau
- 465 — New York City
- 516 — Nassau
- 518 — Albany
- 585 — Rochester
- 607 — Binghamton
- 624 — Buffalo
- 631 — Brentwood
- 646 — New York City
- 680 — Syracuse
- 716 — Buffalo
- 718 — New York City
- 838 — Albany
- 845 — Poughkeepsie
- 914 — Westchester
- 917 — New York City
- 929 — New York City
Nearby area codes
Frequently asked questions
Where is area code 934?
Area code 934 covers Riverhead and nearby cities including Brentwood, Centereach, Central Islip in New York, in the Eastern Time.
What cities use area code 934?
Area code 934 serves Riverhead, Brentwood, Centereach, Central Islip, Commack, and 18 other communities in New York.
What time zone is area code 934 in?
Area code 934 is in the Eastern Time (America/New_York).
How do you dial a 934 number?
Dial all 10 digits: 934 followed by the 7-digit local number. From abroad, dial +1 934 and the local number.
Is a call from area code 934 a scam?
A 934 number is geographically tied to New York, but caller ID can be spoofed, so the displayed area code does not prove where a caller really is. If you did not expect the call, do not share personal information and consider looking the number up.
Is 934 a country code?
No. 934 is a US area code (a domestic 3-digit code), not a country code. The country (calling) code for the United States is +1, shared across the North American Numbering Plan. So a full 934 number written for international dialing looks like +1 934 followed by the 7-digit local number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.