Phone numbers in Claverack-Red Mills, New York
Claverack-Red Mills has 5 phone prefixes in area codes 518, 838.
Biggest holders: Firstlight Fiber, Verizon (local phone), Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 20%
- Internet / business phone carrier 40%
- Phone company 40%
Every prefix in Claverack-Red Mills
Search the first six digits of a number in this list. If it's here, the number started in Claverack-Red Mills with the carrier shown. If it isn't, check the New York page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 518-721 | Firstlight Fiber | Internet / business phone carrier | – |
| 518-851 | Verizon (local phone) | Local phone company | – |
| 838-206 | Onvoy | Internet / business phone carrier | 2019 |
| 838-209 | Valstar | Phone company | 2019 |
| 838-435 | Coretel New York | Phone company | 2019 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.