Phone numbers in Glencoe, Illinois
Glencoe has 8 phone prefixes in area codes 224, 847.
Biggest holders: AT&T (local phone), Bandwidth, TON80 Communications. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 25%
- Internet / business phone carrier 75%
Every prefix in Glencoe
Search the first six digits of a number in this list. If it's here, the number started in Glencoe with the carrier shown. If it isn't, check the Illinois page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 224-269 | Bandwidth | Internet / business phone carrier | 2015 |
| 224-837 | TON80 Communications | Internet / business phone carrier | 2022 |
| 224-922 | Fractel | Internet / business phone carrier | 2020 |
| 847-242 | AT&T (local phone) | Local phone company | – |
| 847-461 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 847-786 | Teleport Communications America | Internet / business phone carrier | – |
| 847-835 | AT&T (local phone) | Local phone company | – |
| 847-892 | MCImetro (Verizon Business) | Internet / business phone 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.