Phone numbers in Sublette, Kansas
Sublette has 4 phone prefixes in area code 620.
Biggest holders: AT&T (local phone), United Wireless Communications, TON80 Communications. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 25%
- Local phone company 50%
- Internet / business phone carrier 25%
Every prefix in Sublette
Search the first six digits of a number in this list. If it's here, the number started in Sublette with the carrier shown. If it isn't, check the Kansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 620-510 | AT&T (local phone) | Local phone company | 2001 |
| 620-675 | AT&T (local phone) | Local phone company | – |
| 620-861 | United Wireless Communications | Mobile carrier | – |
| 620-929 | TON80 Communications | Internet / business phone carrier | 2022 |
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.