Phone numbers in Dannemora, New York
Dannemora has 3 phone prefixes in area codes 518, 838.
Biggest holders: Verizon (local phone), Peerless Network Of New York, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 33%
- Internet / business phone carrier 67%
Every prefix in Dannemora
Search the first six digits of a number in this list. If it's here, the number started in Dannemora with the carrier shown. If it isn't, check the New York page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 518-492 | Verizon (local phone) | Local phone company | – |
| 518-849 | Peerless Network Of New York | Internet / business phone carrier | 2015 |
| 838-832 | Onvoy | Internet / business phone carrier | 2021 |
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.