Active Prefixes in Area Code 934

- 934-516
- Ua, New York
- 934-470
- Northport, New York
- 934-666
- Centraislp, New York
- 934-451
- Bellport, New York
- 934-852
- Yaphank, New York
- 934-800
- Yaphank, New York
- 934-333
- Lindenhst, New York
- 934-222
- Southamptn, New York
- 934-420
- Farmingdl, New York
- 934-223
- Smithtown, New York
- 934-444
- Amityville, New York
- 934-400
- Ptjeffersn, New York
- 934-888
- Bay Shore, New York
- 934-500
- Brentwood, New York
- 934-777
- Brentwood, New York
- 934-999
- Ua, New York