Illinois Consolidated Telephone Company
d/b/a Consolidated Communications of Illinois Company
Part of the Consolidated Communications group. 5 OCNs across 4 states · 626 blocks combined.
Holding: Consolidated Communications Holdings Inc
121 S 17th St,
Mattoon, IL 61938-3915
consolidated.com
2024-12-13
2024-12-13
About Consolidated Communications
Consolidated Communications is a regional ILEC providing internet, voice, TV, and security services primarily to residential and business customers in 23 US states. It operates through numerous subsidiaries focused on local telephone, fiber, and related telecom services, with a historical emphasis on rural and small-town markets. The company rebranded to Fidium in September 2025 and went private in December 2024.
- Parent: Consolidated Communications Holdings, Inc.
- Founded: 1894
- Headquarters: Irving, TX
- Services: ILEC landline, fiber broadband, VoIP, pay TV, home security
Sources: Consolidated Communications - Wikipedia · EX-21 - SEC.gov
Toll-free side: Related toll-free RespOrg: FairPoint Communications (code XIC01). View on resporgs.com →
Numbers by age tier
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Carrier website
consolidated.com: opens in a new tab
HQ: Mattoon, IL
Block portfolio at a glance
By age
- Recent (2). Last 18 mo
- Medium (0)
- Old (0)
- Undated (46)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Illinois IL · 48 · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Most recent assignments
Last 18 months. These blocks were issued by Illinois Consolidated Telephone Company since 2024-11-14.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (217) 951-XXXX | IL | Mattoon | 2024-12-13 |
| (217) 951-2XXX | IL | Mattoon | 2024-12-13 |
Sister OCNs in the Consolidated Communications group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Consolidated Communications group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 2109 | Consolidated Communications of Texas Company | TX | 245 | · |
| 8597 | Consolidated Communications Enterprise Services - PA | PA | 171 | · |
| 2072 | Consolidated Communications of Texas Company | TX | 121 | · |
| 1375 | Consolidated Communications Mid-Com Company - MN | MN | 41 | · |
Sister OCNs under Consolidated Communications Holdings Inc
| OCN | Company | Total | Recent |
|---|---|---|---|
| 2109 | Consolidated Communications of Texas Company | 245 | 0 |
| 3915 | Everfast Fiber Networks LLC | 185 | 0 |
| 8597 | Consolidated Communications Enterprise Services - PA | 171 | 0 |
| 2072 | Consolidated Communications of Texas Company | 121 | 0 |
| 2334 | Consolidated Communications of California Company | 114 | 0 |
| 3964 | Consolidated Communications Enterprise Services Inc | 108 | 0 |
| 0193 | Consolidated Communications of Pennsylvania Company | 60 | 0 |
| 1375 | Consolidated Communications Mid-Com Company - MN | 41 | 0 |
| 1427 | Consolidated Communications of Minnesota Company - MN | 28 | 0 |
| 912E | Consolidated Communications Enterprise Services - TX | 8 | 0 |
| 911E | Consolidated Communications Enterprise Services - IL | 3 | 0 |
| 0274 | Everest Connections Corporation - OK | 0 | 0 |