Advanced Methods To Target and Eliminate Unlawful Robocalls

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Federal Communications Commission 47 CFR Part 64 [CG Docket No. 17-59; FCC 25-15; FR ID 285031] AGENCY: Federal Communications Commission. ACTION: Final rule. SUMMARY: 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. 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 ( printed page 13417) of a document in the Federal Register announcing approval of the information collection and the relevant effective date. FOR FURTHER INFORMATION CONTACT: Jerusha Burnett, Consumer Policy Division, Consumer and Governmental Affairs Bureau, email at jerusha.burnett@fcc.gov or by phone at (202) 418-0526. For information regarding the Paperwork Reduction Act (PRA) information collection requirements contained in the PRA, contact Cathy Williams, Office of Managing Director, at (202) 418-2918, or Cathy.Williams@fcc.gov . SUPPLEMENTARY INFORMATION: This is a summary of the Commission's Report and Order, in CG Docket No. 17-59, FCC 25-15, adopted on February 27, 2025, and released on February 28, 2025. The full text of…