Phone numbers in Redfield, South Dakota
Redfield has 8 phone prefixes in area code 605.
Biggest holders: Northern Valley Communications, Verizon Wireless, Midcontinent Communications. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 38%
- Local phone company 12%
- Internet / business phone carrier 12%
- Phone company 38%
Every prefix in Redfield
Search the first six digits of a number in this list. If it's here, the number started in Redfield with the carrier shown. If it isn't, check the South Dakota page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 605-302 | Midcontinent Communications | Phone company | 2003 |
| 605-313 | Northern Valley Communications | Phone company | 2018 |
| 605-450 | Verizon Wireless | Mobile carrier | – |
| 605-460 | AT&T Mobility | Mobile carrier | – |
| 605-468 | Verizon Wireless | Mobile carrier | – |
| 605-472 | CenturyLink / Lumen | Local phone company | – |
| 605-475 | Northern Valley Communications | Phone company | 2005 |
| 605-808 | Onvoy | Internet / business phone carrier | 2021 |
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.