Phone numbers in Norborne, Missouri
Norborne has 3 phone prefixes in area code 660.
Biggest holders: Level 3 (Lumen), Green Hills Telecommunications Services, CenturyLink / Lumen. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 33%
- Internet / business phone carrier 33%
- Phone company 33%
Every prefix in Norborne
Search the first six digits of a number in this list. If it's here, the number started in Norborne with the carrier shown. If it isn't, check the Missouri page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 660-250 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 660-593 | Green Hills Telecommunications Services | Phone company | – |
| 660-594 | CenturyLink / Lumen | 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.