Phone numbers in Knob Noster, Missouri
Knob Noster has 4 phone prefixes in area code 660.
Biggest holders: AT&T (local phone), T-Mobile (including Sprint), CenturyLink / Lumen. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 25%
- Local phone company 75%
Every prefix in Knob Noster
Search the first six digits of a number in this list. If it's here, the number started in Knob Noster with the carrier shown. If it isn't, check the Missouri page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 660-233 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 660-312 | CenturyLink / Lumen | Local phone company | 2014 |
| 660-563 | AT&T (local phone) | Local phone company | – |
| 660-687 | AT&T (local phone) | Local phone company | – |
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.