Phone numbers in Red Oak, Iowa
Red Oak has 7 phone prefixes in area code 712.
Biggest holders: Verizon Wireless, Mcc Telephony, Bandwidth. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 43%
- Local phone company 14%
- Internet / business phone carrier 29%
- Phone company 14%
Every prefix in Red Oak
Search the first six digits of a number in this list. If it's here, the number started in Red Oak with the carrier shown. If it isn't, check the Iowa page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 712-327 | Verizon Wireless | Mobile carrier | – |
| 712-357 | Mcc Telephony | Internet / business phone carrier | 2010 |
| 712-370 | Verizon Wireless | Mobile carrier | – |
| 712-414 | Bandwidth | Internet / business phone carrier | 2021 |
| 712-517 | Airus | Phone company | 2019 |
| 712-621 | UScellular | Mobile carrier | – |
| 712-623 | CenturyLink / Lumen | Local phone company | – |
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.