Illinois Phone Carrier & TCPA/DNC Compliance Data
Carrier mix, line types, and calling-compliance rules for Illinois, drawn from 3,399 analyzed IL phone numbers. Use it to bulk-validate and DNC-scrub Illinois calling lists before you dial.
TCPA & DNC calling rules in Illinois
- Permitted calling window: 8:00 AM – 9:00 PM local (federal TCPA baseline)
- State Do-Not-Call registry: No separate state list — the federal DNC registry applies.
- Federal baseline: TCPA prior-express-consent rules and the national DNC registry apply to Illinois outbound calling.
Informational only — not legal advice. Verify current federal and Illinois regulations before running any campaign.
Carrier mix in Illinois
The most common carriers across analyzed Illinois numbers:
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 1,447 |
| AT&T | 1,045 |
| T-Mobile | 786 |
| U.S. Cellular | 73 |
| Bandwidth.com | 19 |
| Dish Wireless | 9 |
| Neutral Tandem | 6 |
| Emergency Networks | 4 |
| Comcast | 2 |
| TELNYX | 2 |
Line types in Illinois
Line-type distribution matters for compliance — wireless numbers carry stricter TCPA autodialer rules than landlines.
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 3,362 |
| CLEC | 27 |
| IPES | 5 |
| PCS | 2 |
| RBOC | 2 |
| ILEC | 1 |
Top Illinois cities by number volume
| City | Numbers analyzed |
|---|---|
| Chicago | 454 |
| Northbrook | 297 |
| La Grange | 262 |
| Barrington | 192 |
| Maryville | 144 |
| Edwards | 113 |
| Crest Hill | 106 |
| Pleasant Plains | 105 |
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