Phone numbers in Cornwall, New York
Cornwall has 6 phone prefixes in area codes 329, 845.
Biggest holders: Boost / Virgin Mobile, Warwick Valley Telephone, Windstream (PAETEC). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 33%
- Local phone company 33%
- Internet / business phone carrier 33%
Every prefix in Cornwall
Search the first six digits of a number in this list. If it's here, the number started in Cornwall with the carrier shown. If it isn't, check the New York page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 329-246 | Boost / Virgin Mobile | Mobile carrier | 2026 |
| 845-237 | Warwick Valley Telephone | Local phone company | 2010 |
| 845-458 | Windstream (PAETEC) | Internet / business phone carrier | 2002 |
| 845-534 | Verizon (local phone) | Local phone company | – |
| 845-822 | Telnyx | Internet / business phone carrier | 2017 |
| 845-952 | Boost / Virgin Mobile | Mobile carrier | 2023 |
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.