Phone numbers in Parker, Arizona
Parker has 5 phone prefixes in area code 928.
Biggest holders: Verizon Wireless, T-Mobile (including Sprint), Csc Voice. 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 Parker
Search the first six digits of a number in this list. If it's here, the number started in Parker with the carrier shown. If it isn't, check the Arizona page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 928-216 | Verizon Wireless | Mobile carrier | 2004 |
| 928-469 | T-Mobile (including Sprint) | Mobile carrier | 2022 |
| 928-575 | Csc Voice | Internet / business phone carrier | – |
| 928-669 | Frontier | Local phone company | – |
| 928-842 | Fractel | Internet / business phone carrier | 2020 |
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.