Phone numbers in Torrington, Wyoming
Torrington has 7 phone prefixes in area code 307.
Biggest holders: Verizon Wireless, CenturyLink / Lumen, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 43%
- Local phone company 43%
- Internet / business phone carrier 14%
Every prefix in Torrington
Search the first six digits of a number in this list. If it's here, the number started in Torrington with the carrier shown. If it isn't, check the Wyoming page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 307-295 | Onvoy | Internet / business phone carrier | 2023 |
| 307-338 | Verizon Wireless | Mobile carrier | 2011 |
| 307-401 | AT&T Mobility | Mobile carrier | – |
| 307-532 | CenturyLink / Lumen | Local phone company | – |
| 307-534 | CenturyLink / Lumen | Local phone company | – |
| 307-575 | Verizon Wireless | Mobile carrier | 2002 |
| 307-715 | Union Telephone | Local phone company | 2002 |
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.