Phone numbers in Fredonia, Kansas
Fredonia has 5 phone prefixes in area code 620.
Biggest holders: Level 3 (Lumen), Verizon Wireless, CenturyLink / Lumen. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Local phone company 20%
- Internet / business phone carrier 40%
Every prefix in Fredonia
Search the first six digits of a number in this list. If it's here, the number started in Fredonia with the carrier shown. If it isn't, check the Kansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 620-288 | Verizon Wireless | Mobile carrier | 2003 |
| 620-378 | CenturyLink / Lumen | Local phone company | – |
| 620-607 | Level 3 (Lumen) | Internet / business phone carrier | 2001 |
| 620-636 | AT&T Mobility | Mobile carrier | 2001 |
| 620-652 | Level 3 (Lumen) | Internet / business phone carrier | 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.