Phone numbers in Cumberland, Kentucky
Cumberland has 5 phone prefixes in area code 606.
Biggest holders: Windstream Kentucky East, Inc. - London, Mikrotec Communications, Appalachian Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 20%
- Local phone company 40%
- Internet / business phone carrier 20%
- Phone company 20%
Every prefix in Cumberland
Search the first six digits of a number in this list. If it's here, the number started in Cumberland with the carrier shown. If it isn't, check the Kentucky page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 606-446 | Mikrotec Communications | Phone company | 2013 |
| 606-508 | Appalachian Wireless | Mobile carrier | 2008 |
| 606-589 | Windstream Kentucky East, Inc. - London | Local phone company | – |
| 606-719 | Windstream Kentucky East, Inc. - London | Local phone company | 2015 |
| 606-894 | Level 3 (Lumen) | Internet / business phone carrier | 2018 |
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.