Phone numbers in Port Orchard, Washington
Port Orchard has 11 phone prefixes in area codes 360, 564.
Biggest holders: CenturyLink / Lumen, Onvoy, Teleport Communications America. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 9%
- Local phone company 45%
- Internet / business phone carrier 45%
Every prefix in Port Orchard
Search the first six digits of a number in this list. If it's here, the number started in Port Orchard with the carrier shown. If it isn't, check the Washington page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 360-329 | Teleport Communications America | Internet / business phone carrier | – |
| 360-443 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 360-519 | AT&T Mobility | Mobile carrier | – |
| 360-602 | Astound Broadband | Internet / business phone carrier | 2009 |
| 360-769 | CenturyLink / Lumen | Local phone company | – |
| 360-845 | Onvoy | Internet / business phone carrier | 2019 |
| 360-871 | CenturyLink / Lumen | Local phone company | – |
| 360-874 | CenturyLink / Lumen | Local phone company | – |
| 360-876 | CenturyLink / Lumen | Local phone company | – |
| 360-895 | CenturyLink / Lumen | Local phone company | – |
| 564-238 | Onvoy | Internet / business phone 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.