Phone numbers in Deer Park, Washington
Deer Park has 8 phone prefixes in area code 509.
Biggest holders: Verizon Wireless, CenturyLink / Lumen, Callworks. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 38%
- Local phone company 25%
- Internet / business phone carrier 25%
- Phone company 12%
Every prefix in Deer Park
Search the first six digits of a number in this list. If it's here, the number started in Deer Park with the carrier shown. If it isn't, check the Washington page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 509-262 | CenturyLink / Lumen | Local phone company | – |
| 509-276 | CenturyLink / Lumen | Local phone company | – |
| 509-507 | Callworks | Phone company | – |
| 509-564 | Verizon Wireless | Mobile carrier | 2022 |
| 509-651 | Onvoy | Internet / business phone carrier | – |
| 509-821 | Verizon Wireless | Mobile carrier | 2012 |
| 509-890 | Peerless Network Of Washington | Internet / business phone carrier | 2016 |
| 509-912 | Verizon Wireless | Mobile carrier | 2026 |
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.