Phone numbers in Omak, Washington
Omak has 8 phone prefixes in area code 509.
Biggest holders: CenturyLink / Lumen, AT&T Mobility, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 25%
- Local phone company 38%
- Internet / business phone carrier 38%
Every prefix in Omak
Search the first six digits of a number in this list. If it's here, the number started in Omak with the carrier shown. If it isn't, check the Washington page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 509-322 | AT&T Mobility | Mobile carrier | – |
| 509-422 | CenturyLink / Lumen | Local phone company | – |
| 509-429 | Verizon Wireless | Mobile carrier | – |
| 509-557 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 509-740 | Teleport Communications America | Internet / business phone carrier | 2012 |
| 509-826 | CenturyLink / Lumen | Local phone company | – |
| 509-846 | CenturyLink / Lumen | Local phone company | – |
| 509-861 | Onvoy | Internet / business phone 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.