Phone numbers in Marion, Illinois
Marion has 16 phone prefixes in area codes 618, 730.
Biggest holders: Frontier, Verizon Wireless, AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 44%
- Local phone company 25%
- Internet / business phone carrier 19%
- Phone company 12%
Every prefix in Marion
Search the first six digits of a number in this list. If it's here, the number started in Marion with the carrier shown. If it isn't, check the Illinois page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 618-364 | Verizon Wireless | Mobile carrier | – |
| 618-422 | Futiva | Phone company | 2018 |
| 618-440 | Verizon Wireless | Mobile carrier | 2016 |
| 618-579 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 618-694 | AT&T Mobility | Mobile carrier | 2001 |
| 618-751 | AT&T Mobility | Mobile carrier | – |
| 618-889 | Verizon Wireless | Mobile carrier | 2002 |
| 618-922 | AT&T Mobility | Mobile carrier | – |
| 618-944 | Teleport Communications America | Internet / business phone carrier | 2009 |
| 618-964 | Frontier | Local phone company | – |
| 618-969 | Mcc Network Services | Phone company | – |
| 618-992 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 618-993 | Frontier | Local phone company | – |
| 618-997 | Frontier | Local phone company | – |
| 618-998 | Frontier | Local phone company | – |
| 730-999 | Onvoy | Internet / business phone carrier | 2024 |
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.