Phone numbers in Farson, Wyoming
Farson has 3 phone prefixes in area code 307.
Biggest holders: CenturyLink / Lumen, Union Telephone, All West/wyoming. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 67%
- Phone company 33%
Every prefix in Farson
Search the first six digits of a number in this list. If it's here, the number started in Farson with the carrier shown. If it isn't, check the Wyoming page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 307-273 | CenturyLink / Lumen | Local phone company | – |
| 307-280 | Union Telephone | Local phone company | – |
| 307-770 | All West/wyoming | Phone company | 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.