Phone numbers in Clarkston, Washington
Clarkston has 10 phone prefixes in area code 509.
Biggest holders: MCImetro (Verizon Business), Verizon Wireless, T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Local phone company 20%
- Internet / business phone carrier 40%
Every prefix in Clarkston
Search the first six digits of a number in this list. If it's here, the number started in Clarkston with the carrier shown. If it isn't, check the Washington page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 509-206 | Verizon Wireless | Mobile carrier | 2022 |
| 509-254 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 509-295 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 509-552 | T-Mobile (including Sprint) | Mobile carrier | – |
| 509-596 | T-Mobile (including Sprint) | Mobile carrier | 2016 |
| 509-751 | CenturyLink / Lumen | Local phone company | – |
| 509-758 | CenturyLink / Lumen | Local phone company | – |
| 509-769 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 509-780 | Verizon Wireless | Mobile carrier | – |
| 509-800 | Telnyx | 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.