Phone numbers in Clay Center, Kansas
Clay Center has 5 phone prefixes in area code 785.
Biggest holders: Verizon Wireless, Level 3 (Lumen), AT&T (local phone). 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 20%
- Phone company 20%
Every prefix in Clay Center
Search the first six digits of a number in this list. If it's here, the number started in Clay Center with the carrier shown. If it isn't, check the Kansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 785-447 | Verizon Wireless | Mobile carrier | 2004 |
| 785-630 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 785-632 | AT&T (local phone) | Local phone company | – |
| 785-777 | Twin Valley Communications | Phone company | 2008 |
| 785-951 | T-Mobile (including Sprint) | Mobile carrier | 2025 |
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.