Phone numbers in Quincy, Washington
Quincy has 7 phone prefixes in area code 509.
Biggest holders: MCImetro (Verizon Business), AT&T Mobility, Ziply Fiber. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 29%
- Local phone company 14%
- Internet / business phone carrier 57%
Every prefix in Quincy
Search the first six digits of a number in this list. If it's here, the number started in Quincy with the carrier shown. If it isn't, check the Washington page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 509-403 | MCImetro (Verizon Business) | Internet / business phone carrier | 2020 |
| 509-407 | MCImetro (Verizon Business) | Internet / business phone carrier | 2019 |
| 509-409 | MCImetro (Verizon Business) | Internet / business phone carrier | 2019 |
| 509-716 | AT&T Mobility | Mobile carrier | 2025 |
| 509-787 | Ziply Fiber | Local phone company | – |
| 509-794 | Commio | Internet / business phone carrier | – |
| 509-797 | Verizon Wireless | 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.