Phone numbers in Jerseyville, Illinois
Jerseyville has 7 phone prefixes in area code 618.
Biggest holders: UScellular, Level 3 (Lumen), Frontier. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 43%
- Local phone company 14%
- Internet / business phone carrier 29%
- Phone company 14%
Every prefix in Jerseyville
Search the first six digits of a number in this list. If it's here, the number started in Jerseyville with the carrier shown. If it isn't, check the Illinois page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 618-494 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 618-498 | Frontier | Local phone company | – |
| 618-535 | UScellular | Mobile carrier | – |
| 618-556 | UScellular | Mobile carrier | – |
| 618-639 | Grafton Technologies | Phone company | 2002 |
| 618-832 | TON80 Communications | Internet / business phone carrier | 2022 |
| 618-946 | AT&T Mobility | Mobile carrier | 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.