California Phone Carrier & TCPA/DNC Compliance Data
Carrier mix, line types, and calling-compliance rules for California, drawn from 5,834 analyzed CA phone numbers. Use it to bulk-validate and DNC-scrub California calling lists before you dial.
TCPA & DNC calling rules in California
- 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 California outbound calling.
Informational only — not legal advice. Verify current federal and California regulations before running any campaign.
Carrier mix in California
The most common carriers across analyzed California numbers:
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 2,456 |
| AT&T | 1,814 |
| T-Mobile | 1,394 |
| Bandwidth.com | 106 |
| Onvoy | 17 |
| U.S. Cellular | 11 |
| Centurylink | 9 |
| Dish Wireless | 7 |
| Twilio International | 5 |
| IP Horizon | 3 |
Line types in California
Line-type distribution matters for compliance — wireless numbers carry stricter TCPA autodialer rules than landlines.
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 5,669 |
| CLEC | 136 |
| PCS | 13 |
| IPES | 10 |
| RBOC | 5 |
| ILEC | 1 |
Top California cities by number volume
| City | Numbers analyzed |
|---|---|
| Los Angeles | 310 |
| West Sacramento | 234 |
| Brisbane | 213 |
| San Diego | 205 |
| Anaheim | 174 |
| Cupertino | 133 |
| Rohnert Park | 127 |
| Encino | 125 |
Enrich or scrub your California calling list at scale
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