Phone numbers in Coos Bay, Oregon
Coos Bay has 20 phone prefixes in area codes 458, 541.
Biggest holders: Ziply Fiber, Onvoy, UScellular. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Local phone company 30%
- Internet / business phone carrier 30%
Every prefix in Coos Bay
Search the first six digits of a number in this list. If it's here, the number started in Coos Bay with the carrier shown. If it isn't, check the Oregon page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 458-230 | Onvoy | Internet / business phone carrier | – |
| 458-455 | Skyetel | Internet / business phone carrier | 2021 |
| 458-710 | Onvoy | Internet / business phone carrier | 2019 |
| 458-901 | Onvoy | Internet / business phone carrier | 2021 |
| 541-217 | MetroPCS (T-Mobile) | Mobile carrier | – |
| 541-252 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 541-260 | UScellular | Mobile carrier | – |
| 541-266 | Ziply Fiber | Local phone company | – |
| 541-267 | Ziply Fiber | Local phone company | – |
| 541-269 | Ziply Fiber | Local phone company | – |
| 541-290 | UScellular | Mobile carrier | – |
| 541-294 | Verizon Wireless | Mobile carrier | 2002 |
| 541-297 | AT&T Mobility | Mobile carrier | 2001 |
| 541-404 | AT&T Mobility | Mobile carrier | 2002 |
| 541-435 | MCImetro (Verizon Business) | Internet / business phone carrier | 2003 |
| 541-751 | Ziply Fiber | Local phone company | – |
| 541-756 | Ziply Fiber | Local phone company | – |
| 541-808 | Charter / Spectrum | Internet / business phone carrier | 2008 |
| 541-888 | Ziply Fiber | Local phone company | – |
| 541-982 | UScellular | Mobile carrier | – |
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.