Data / Federal rules / 2025-04811
Advanced Methods To Target and Eliminate Unlawful Robocalls
The Federal Communications Commission published this final rule in the Federal Register on March 24, 2025. It took effect on March 25, 2026.
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What the agency says
In this document, the Federal Communications Commission (Commission) modifies its existing call blocking rules. Specifically, the Commission requires all domestic voice service providers to block based on a reasonable do-not-originate (DNO) list. Second, it requires voice service providers to return Session Initiation Protocol (SIP) code 603+ when calls are blocked based on reasonable analytics.
Key facts
- Document number
- 2025-04811
- Type
- Final rule
- Action
- Final rule
- Agency
- Federal Communications Commission
- Published
- March 24, 2025
- Takes effect
- March 25, 2026
- Dates
- Effective March 25, 2026, except for the amendment to 47 CFR 64.1200(o) which are delayed indefinitely. The amendments to 47 CFR 64.1200(o) will become effective following publication of a document in the Federal Register announcing approval of the information collection and the relevant effective date.
- Docket
- CG Docket No. 17-59; FCC 25-15; FR ID 285031
- Code of Federal Regulations
- 47 CFR 64
- Topics
- Communications common carriers; Reporting and recordkeeping requirements; Telecommunications; Telephone
- Pages
- 10
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| Document | Type | Published |
|---|---|---|
| Modernizing the Commission's National Environmental Policy Act Rules 2026-21347 | Proposed rule | Oct 19 |
| Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band 2026-21324 | Final rule | Oct 19 |
| Petition for Reconsideration of Action in Rulemaking Proceeding; Correction 2026-21312 | Proposed rule | Oct 19 |
| Television Broadcasting Services Des Moines, Iowa 2026-21260 | Proposed rule | Oct 19 |
| Petition for Reconsideration of Action in Rulemaking Proceeding 2026-20895 | Proposed rule | Oct 13 |
| Radio Broadcasting Services; Selmer, Tennessee 2026-20464 | Final rule | Oct 6 |
| Radio Broadcasting Services; Whitehall, Michigan 2026-20463 | Final rule | Oct 6 |
| Wireline Competition Bureau and Office of Economics and Analytics Adopt 2026 Mandatory Data Collection for Incarcerated People's Communications Services 2026-20362 | Final rule | Oct 5 |
Everything from the Federal Communications Commission · Rules on communications common carriers · Rules on reporting and recordkeeping requirements · Rules on telecommunications · Published in March 2025
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.