Area Code 934
Area code 934 covers Riverhead and nearby cities including Brentwood, Centereach, Central Islip in New York, in the Eastern Time.
Is a call from 934 a scam? Who called me from 934?
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 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
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.