Phone numbers in Northumberland, Pennsylvania
Northumberland has 6 phone prefixes in area codes 272, 570.
Biggest holders: Onvoy, Verizon Wireless, Verizon (local phone). 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 Northumberland
Search the first six digits of a number in this list. If it's here, the number started in Northumberland with the carrier shown. If it isn't, check the Pennsylvania page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 272-218 | Onvoy | Internet / business phone carrier | 2018 |
| 272-331 | Onvoy | Internet / business phone carrier | 2023 |
| 570-452 | Verizon Wireless | Mobile carrier | – |
| 570-473 | Verizon (local phone) | Local phone company | – |
| 570-490 | Verizon Wireless | Mobile carrier | – |
| 570-701 | Service Electric Telephone | Local phone company | 2005 |
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.