Phone numbers in Rawlins, Wyoming
Rawlins has 9 phone prefixes in area code 307.
Biggest holders: Union Telephone, Verizon Wireless, CenturyLink / Lumen. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 33%
- Local phone company 44%
- Internet / business phone carrier 22%
Every prefix in Rawlins
Search the first six digits of a number in this list. If it's here, the number started in Rawlins with the carrier shown. If it isn't, check the Wyoming page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 307-320 | Union Telephone | Local phone company | – |
| 307-321 | Verizon Wireless | Mobile carrier | – |
| 307-324 | CenturyLink / Lumen | Local phone company | – |
| 307-328 | CenturyLink / Lumen | Local phone company | – |
| 307-370 | Verizon Wireless | Mobile carrier | – |
| 307-417 | Onvoy | Internet / business phone carrier | – |
| 307-483 | AT&T Mobility | Mobile carrier | 2025 |
| 307-667 | Onvoy | Internet / business phone carrier | 2021 |
| 307-710 | Union Telephone | Local phone company | 2003 |
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.