Phone numbers in Port Orford, Oregon
Port Orford has 4 phone prefixes in area codes 458, 541.
Biggest holders: Onvoy, AT&T Mobility, Ziply Fiber. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 25%
- Local phone company 25%
- Internet / business phone carrier 50%
Every prefix in Port Orford
Search the first six digits of a number in this list. If it's here, the number started in Port Orford with the carrier shown. If it isn't, check the Oregon page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 458-306 | Onvoy | Internet / business phone carrier | 2023 |
| 541-253 | AT&T Mobility | Mobile carrier | 2002 |
| 541-332 | Ziply Fiber | Local phone company | – |
| 541-366 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
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.