Phone numbers in Sulphur, Kentucky
Sulphur has 6 phone prefixes in area code 502.
Biggest holders: Verizon Wireless, AT&T Mobility, AT&T (local phone). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 67%
- Local phone company 17%
- Phone company 17%
Every prefix in Sulphur
Search the first six digits of a number in this list. If it's here, the number started in Sulphur with the carrier shown. If it isn't, check the Kentucky page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 502-402 | Verizon Wireless | Mobile carrier | 2020 |
| 502-667 | Verizon Wireless | Mobile carrier | 2003 |
| 502-706 | AT&T Mobility | Mobile carrier | 2002 |
| 502-731 | AT&T Mobility | Mobile carrier | 2023 |
| 502-743 | AT&T (local phone) | Local phone company | – |
| 502-745 | Win.net Telecommunications | Phone company | 2002 |
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.