Phone numbers in Morrison, Illinois
Morrison has 4 phone prefixes in area code 815.
Biggest holders: Frontier, Mediacom Telephony Of Illinois, Aero North Communications. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 50%
- Internet / business phone carrier 25%
- Phone company 25%
Every prefix in Morrison
Search the first six digits of a number in this list. If it's here, the number started in Morrison with the carrier shown. If it isn't, check the Illinois page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 815-400 | Mediacom Telephony Of Illinois | Internet / business phone carrier | 2010 |
| 815-583 | Aero North Communications | Phone company | – |
| 815-772 | Frontier | Local phone company | – |
| 815-956 | Frontier | Local 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.