Phone numbers in Marseilles, Illinois
Marseilles has 5 phone prefixes in area code 815.
Biggest holders: Marseilles Tel. Co. Of Marseilles, Mcc Telephony, Mtco Communications. This is the local calling area (rate center) where those prefixes were first assigned.
- Internet / business phone carrier 20%
- Phone company 80%
Every prefix in Marseilles
Search the first six digits of a number in this list. If it's here, the number started in Marseilles with the carrier shown. If it isn't, check the Illinois page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 815-500 | Mcc Telephony | Internet / business phone carrier | – |
| 815-746 | Marseilles Tel. Co. Of Marseilles | Phone company | 2008 |
| 815-750 | Mtco Communications | Phone company | 2003 |
| 815-794 | Marseilles Tel. Co. Of Marseilles | Phone company | – |
| 815-795 | Marseilles Tel. Co. Of Marseilles | Phone company | – |
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.