Phone numbers in Williamsburg, Kentucky
Williamsburg has 8 phone prefixes in area code 606.
Biggest holders: T-Mobile (including Sprint), Verizon Wireless, AT&T (local phone). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 25%
- Internet / business phone carrier 25%
Every prefix in Williamsburg
Search the first six digits of a number in this list. If it's here, the number started in Williamsburg with the carrier shown. If it isn't, check the Kentucky page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 606-400 | Fractel | Internet / business phone carrier | 2020 |
| 606-428 | T-Mobile (including Sprint) | Mobile carrier | 2016 |
| 606-515 | Verizon Wireless | Mobile carrier | – |
| 606-539 | AT&T (local phone) | Local phone company | – |
| 606-549 | AT&T (local phone) | Local phone company | – |
| 606-703 | T-Mobile (including Sprint) | Mobile carrier | – |
| 606-765 | Verizon Wireless | Mobile carrier | 2012 |
| 606-825 | Charter / Spectrum | Internet / business phone carrier | 2017 |
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.