Phone numbers in Springfield, Kentucky
Springfield has 6 phone prefixes in area code 859.
Biggest holders: Verizon Wireless, AT&T Mobility, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 67%
- Local phone company 17%
- Internet / business phone carrier 17%
Every prefix in Springfield
Search the first six digits of a number in this list. If it's here, the number started in Springfield with the carrier shown. If it isn't, check the Kentucky page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 859-210 | Verizon Wireless | Mobile carrier | 2021 |
| 859-217 | Onvoy | Internet / business phone carrier | – |
| 859-336 | AT&T (local phone) | Local phone company | – |
| 859-481 | AT&T Mobility | Mobile carrier | – |
| 859-636 | AT&T Mobility | Mobile carrier | 2013 |
| 859-805 | Verizon Wireless | Mobile carrier | – |
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.